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108-522: To understand how CURP codes are built, one must first understand Hispano American naming conventions . Full names in Spanish-speaking countries (including Mexican full names) consist of three elements: The CURP code is composed of 18 characters that are assigned as follows: For married women, only maiden names are used. For example, the CURP code for a hypothetical person named Gloria Hernández García,

216-821: A barcode . On 23 October 1996, the Presidential Agreement for the Adoption and Use of the Population Registry Unique Code by the Federal Government ( Acuerdo Presidencial para la adopción y uso por la Administración Pública Federal de la Clave Única de Registro de Población ) was published in the Official Gazette of the Federation . The first CURP issued in 1996 was generated for the then President of Mexico, Ernesto Zedillo Ponce de León. This

324-421: A subtropical highland climate ( Köppen climate classification Cwb ), due to its tropical location but high elevation. The lower region of the valley receives less rainfall than the upper regions of the south; the lower boroughs of Iztapalapa , Iztacalco , Venustiano Carranza and the east portion of Gustavo A. Madero are usually drier and warmer than the upper southern boroughs of Tlalpan and Milpa Alta ,

432-427: A "de" particle, which can be varied to "del" or "de los". Examples are "José del Pilar", "Rosa del Carmen", "Fidelina de las Mercedes". These second names are only used in formal occasions, and in many cases only registered in the birth, marriage and death certificates. Children who are not recognized by their father or to be raised separately have been legally treated in two ways, changing from time to time according to

540-454: A female, born on 27 April 1956 in the state of Veracruz , could be HEGG560427MVZRRL04 . Several exceptions to the above rules exist, including: If any step in the above procedure leads to the letter " Ñ " appearing anywhere in the CURP, the "Ñ" is replaced by an "X". When a person has two given names and the first given name is María , as is often the case for women in Mexico, or José , in

648-691: A major success that ended the war. The American invasion into the Federal District was first resisted during the Battle of Churubusco on 8 August, where the Saint Patrick's Battalion , which was composed primarily of Catholic Irish and German immigrants but also Canadians, English, French, Italians, Poles, Scots, Spaniards, Swiss, and Mexicans, fought for the Mexican cause, repelling the American attacks. After defeating

756-592: A member of the Party of the Democratic Revolution . Discontent over the election eventually led Cuauhtémoc Cárdenas to become the first elected mayor of Mexico City in 1997. Cárdenas promised a more democratic government , and his party claimed some victories against crime, pollution, and other major problems. He resigned in 1999 to run for the presidency. Mexico City is located in the Valley of Mexico, sometimes called

864-486: A misunderstanding regarding the sex of the child on whom it is being imposed. ". Regarding surnames, according to those laws, if no agreement has been reached, the first surname shall be the father's surname (paternal surname), and the second surname shall be the mother's surname (maternal surname, or maiden surname). Women do not change their surnames upon marriage in Uruguay. In some instances, such as high society meetings,

972-464: A mountainous region of pine and oak trees known as the range of Ajusco . The average annual temperature varies from 12 to 16 °C (54 to 61 °F), depending on the altitude of the borough. The temperature is rarely below 3 °C (37 °F) or above 30 °C (86 °F). At the Tacubaya observatory, the lowest temperature ever registered was −4.4 °C (24 °F) on 13 February 1960, and

1080-614: A new king, Cuitláhuac , but he soon died; the next king was Cuauhtémoc . Cortés began a siege of Tenochtitlan in May 1521. For three months, the city suffered from the lack of food and water as well as the spread of smallpox brought by the Europeans. Cortés and his allies landed their forces in the south of the island and slowly fought their way through the city. Cuauhtémoc surrendered in August 1521. The Spaniards practically razed Tenochtitlan during

1188-548: A person's name is composed by the given name or names and the surname or surnames (first and second). The order of the surnames in a family is decided when registering the first common child, by agreement of their parents, and every sibling must bear the same surnames. Both surnames are equally important and having two surnames is obligation for any person in birth registrations, the use of them are mandatory for any official document. Exceptionally some people may have only one surname. In Chile people never replace their surnames by

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1296-480: A second name with a "de" (from) in front. For example, the Saint Teresa de Los Andes whose birth name is Juana Enriqueta Josefina de los Sagrados Corazones Fernández del Solar. Where "Juana", "Enriqueta" and "Josefina" are her first names, followed by the second name "de los Sagrados Corazones". Her paternal surname is "Fernández" and her maternal surname is "del Solar". Another form of second name can be preceded by

1404-537: A third of those in 1992. The levels of signature pollutants in Mexico City are similar to those of Los Angeles . Despite the cleanup, the metropolitan area is still the most ozone -polluted part of the country, with ozone levels 2.5 times beyond WHO -defined safe limits. To clean up pollution, the federal and local governments implemented numerous plans including the constant monitoring and reporting of environmental conditions, such as ozone and nitrogen oxides . When

1512-483: A way not seen in other parts of the Americas. Spaniards encountered a society in which the concept of nobility mirrored that of their own. Spaniards respected the indigenous order of nobility and added to it. In the ensuing centuries, possession of a noble title in Mexico did not mean one exercised great political power, for one's power was limited even if the accumulation of wealth was not. The concept of nobility in Mexico

1620-472: A year by American troops in the framework of the Mexican–American War (1847–1848). The Battle for Mexico City was the series of engagements from 8 to 15 September 1847, in the general vicinity of Mexico City during the U.S. Mexican War . Included are major actions at the battles of Molino del Rey and Chapultepec , culminating with the fall of Mexico City. The U.S. Army under Winfield Scott scored

1728-419: Is 5.4 cm wide and 8.6 cm long, fits in a wallet and may be laminated for preservation. The front of the card gives the CURP 18-character string, given names and surnames, plus the date of registration and a folio number. The back contains information referencing the document used as proof to originally assign the CURP code (if it was a birth certificate, folio number and issuing municipio are included), and

1836-425: Is a common practice, many prefer to adhere to their heritage and keep their maiden name. They also use "de", as explained below. In Ecuador, a couple can choose the order of their children's surnames. Most choose the traditional order (e.g., Guerrero García in the example above), but some invert the order, putting the mother's paternal surname first and the father's paternal surname last (e.g., García Guerrero from

1944-521: Is almost never called Soledad Alvear de Martínez; her full legal name is María Soledad Alvear Valenzuela. In Colombia, the use is two surnames: first the paternal surname and then the maternal surname. Married women used to change their second last name for their husband's first last name adding the preposition "de" between the two last names. However, in recent years, married women do not change their original family names for their husband's. Children who are not recognized by their father are registered with

2052-631: Is an accepted version of this page Mexico City is the capital and largest city of Mexico , and the most populous city in North America . It is one of the most important cultural and financial centers in the world. Mexico City is located in the Valley of Mexico within the high Mexican central plateau , at an altitude of 2,240 meters (7,350 ft). The city has 16 boroughs or demarcaciones territoriales , which are in turn divided into neighborhoods or colonias . The 2020 population for

2160-486: Is colloquially known as Chilangolandia after the locals' nickname chilangos . Chilango is used pejoratively by people living outside Mexico City to "connote a loud, arrogant, ill-mannered, loutish person". For their part those living in Mexico City designate insultingly those who live elsewhere as living in la provincia ('the provinces', 'the periphery') and many proudly embrace the term chilango. Residents of Mexico City are more recently called defeños (deriving from

2268-774: Is frowned upon. The contemporary naming custom now practises the wife retaining her surname . The use of the husband's surname by a wife is typically encountered in social situations where the connection to the husband is being stressed. Her full formal married-name ( Ángela López Sáenz de Portillo ) is the documentary convention in only some Latin American countries. Where it exists, the custom provides her with ceremonial life and death wife-names, Ángela López, Sra. de Portillo (Ángela López, Wife of Portillo) wherein Sra. ( señora , "Mrs") connotes "wife"; and Ángela López Sáenz, vda. de Portillo (Ángela López Sáenz, Widow of Portillo), wherein vda. ( viuda , "widow") denotes widowhood. Some names have

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2376-608: Is legally irrelevant[.]" In other words, under the California implementation of the Uniform Commercial Code , the debtor's "true last name" was Juárez (his maternal surname). Using the full name, including both the paternal and the maternal surname, would have also been legitimate. According to the Chicago Manual of Style , Spanish and Hispanophone names are indexed by the family name. In case there are two family names,

2484-406: Is no agreement on the order, the rule shall apply depending on the type of couple: in case of heterosexual couples, the order shall be as in general practice (first surname shall be the paternal surname and the second surname shall be the maternal surname). Same-sex parents may choose the order of both surnames of the children (either from birth or adoption) by mutual agreement. In case of disagreement

2592-503: Is now used in all Civil Registry individual records ( birth and death certificates ) and certified copies thereof. Although primarily intended to substitute for a series of registration numbers (IMSS, RFC, IFE), CURP has failed to replace any of these, which continue to use their own code-generation protocols. Nevertheless, INE voting card now contains both the IFE code and the CURP code. The Personal Data collected, incorporated and processed in

2700-672: Is registered in the Person System of the National Institute of Transparency, Access to Information Outside Mexico City , the Clave de Registro e Identidad Personal ( Personal Registration and Identification Code ) ( CRIP ) is used, in addition to CURP. The creation of a Unique Identity Code (CUI) that could possibly replace the CURP has been proposed, to unify the system throughout Mexico. Hispano American naming customs The naming customs of Hispanic America are similar to

2808-579: Is the oldest capital city in the Americas and one of two founded by Indigenous people . The city was originally built on a group of islands in Lake Texcoco by the Mexica around 1325, under the name Tenochtitlan . It was almost completely destroyed in the 1521 siege of Tenochtitlan and subsequently redesigned and rebuilt in accordance with the Spanish urban standards . In 1524, the municipality of Mexico City

2916-654: The Alameda Central , it is recognized as the oldest public park in the Americas . Parque México and Parque España in the hip Condesa district; Parque Hundido and Parque de los Venados in Colonia del Valle , and Parque Lincoln in Polanco . There are many smaller parks throughout the city. Most are small "squares" occupying two or three square blocks amid residential or commercial districts. Several other larger parks such as

3024-527: The Bosque de Tlalpan  [ es ; no ] and Viveros de Coyoacán , and in the east Alameda Oriente  [ es ] , offer many recreational activities. Northwest of the city is a large ecological reserve, the Bosque de Aragón  [ ceb ; es ; no ] . In the southeast is the Xochimilco Ecological Park and Plant Market , a World Heritage Site . West of Santa Fe district are

3132-641: The Ecobici bike-sharing were among efforts to encourage alternate, greener forms of transportation. Chapultepec , the city's most iconic public park, has history back to the Aztec emperors who used the area as a retreat. It is south of Polanco district, and houses the Chapultepec Zoo the main city's zoo, several ponds and seven museums, including the National Museum of Anthropology . Other iconic city parks include

3240-579: The Federal District (Spanish: Distrito Federal or D.F. ) and is now officially known as Ciudad de México (or CDMX ), with a greater degree of autonomy. A clause in the Constitution of Mexico , however, prevents it from becoming a state within the Mexican federation, as long it remains the capital of the country. Mexico City was traditionally known as La Ciudad de los Palacios ("the City of

3348-554: The Saint Patrick's Battalion , the Mexican–American War came to a close after the United States deployed combat units deep into Mexico resulting in the capture of Mexico City and Veracruz by the U.S. Army's 1st, 2nd, 3rd and 4th Divisions . The invasion culminated with the storming of Chapultepec Castle in the city itself. During this battle, on 13 September, the 4th Division, under John A. Quitman , spearheaded

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3456-546: The Spanish naming customs practiced in Spain , with some modifications to the surname rules. Many Hispanophones in the countries of Spanish -speaking America have two given names, plus like in Spain, a paternal surname ( primer apellido or apellido paterno ) and a maternal surname ( segundo apellido or apellido materno ). In the colonial period and nineteenth century, it was common to have between one and three given names followed by

3564-505: The Toltec , and Mexica (Aztecs) cultures. The latter arrived around the 14th century to settle first on the shores of the lake. The city of Mexico-Tenochtitlan was founded by the Mexica people in 1325 or 1327. The old Mexica city that is now referred to as Tenochtitlan was built on an island in the center of the inland lake system of the Valley of Mexico , which is shared with a smaller city-state called Tlatelolco . According to legend,

3672-694: The Twelve Apostles of Mexico who arrived in New Spain in 1524, described the rebuilding of the city as one of the afflictions or plagues of the early period: The seventh plague was the construction of the great City of Mexico, which, during the early years used more people than in the construction of Jerusalem. The crowds of laborers were so numerous that one could hardly move in the streets and causeways, although they are very wide. Many died from being crushed by beams, or falling from high places, or in tearing down old buildings for new ones. Preconquest Tenochtitlan

3780-478: The city proper was 9,209,944, with a land area of 1,495 square kilometers (577 sq mi). According to the most recent definition agreed upon by the federal and state governments, the population of Greater Mexico City is 21,804,515, which makes it the sixth-largest metropolitan area in the world, the second-largest urban agglomeration in the Western Hemisphere (behind São Paulo , Brazil ), and

3888-445: The de conjunction without association to marriage at all. Instead they may reflect the geographical origin of the individual or that of the individual ancestors. Thus there are men named Juan Ponce de León , José de Guzmán Benítez , Cristián de la Fuente and Oscar de la Renta . In the following list some women who have used the suffix de between their paternal surname and their marital surname. The Hispanic practice of omitting

3996-552: The massacre of an unknown number of protesting students in Tlatelolco . Three years later, a demonstration in the Maestros avenue, organized by former members of the 1968 student movement, was violently repressed by a paramilitary group called " Los Halcones ", composed of gang members and teenagers from many sports clubs who received training in the US. On 19 September 1985, at 7:19am CST ,

4104-416: The strawberry crop of a debtor whose full true name was "Armando Muñoz Juárez". In accordance with Mexican naming convention, he frequently went by Armando Muñoz, and signed documents by that name, and the creditor's financing statement therefore referred to him as "Armando Muñoz". The court ruled: "Debtor's last name did not change when he crossed the border into the United States. The 'naming convention'

4212-404: The .gob.mx sites listed in the external links, it is not possible to get a CURP issued online. There are advertising sites that will generate a "CURP" look alike. Those sites do not enter a new CURP in the national database, they simply generate a number. Two of those advertising sites are listed below. A new CURP can only be applied for in person at the appropriate government office. The CURP card

4320-523: The Basin of Mexico. This valley is located in the Trans-Mexican Volcanic Belt in the high plateaus of south-central Mexico. It has a minimum altitude of 2,200 meters (7,200 feet) above sea level and is surrounded by mountains and volcanoes that reach elevations of over 5,000 meters (16,000 feet). This valley has no natural drainage outlet for the waters that flow from the mountainsides, making

4428-419: The CURP's fourth character when a second given name is present. To prevent words from forming that would be deemed palabras altisonantes ('foul-sounding words', such as profanity or pejoratives ) in the first four characters of the string, a Catalog of Inappropriate Words ( Catálogo de Palabras Inconvenientes ) lists many such possible combinations and provides replacements that usually entail changing

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4536-572: The City of Lakes . If approved by the government the project will contribute to the supply of water from natural sources to the Valley of Mexico , the creation of new natural spaces, a great improvement in air quality, and greater population establishment planning. By the 1990s Mexico City had become infamous as one of the world's most polluted cities; however, the city has since become a model for drastically lowering pollution levels. By 2014 carbon monoxide pollution had dropped drastically, while sulfur dioxide and nitrogen dioxide were at levels about

4644-612: The Gulf of Mexico and the Pacific Ocean. After landing in Veracruz , Spanish explorer Hernán Cortés advanced upon Tenochtitlan with the aid of many of the other native peoples, arriving there on 8 November 1519. Cortés and his men marched along the causeway leading into the city from Iztapalapa (Ixtapalapa), and the city's ruler, Moctezuma II , greeted the Spaniards; they exchanged gifts, but

4752-571: The Mexican wolf. Other guests are the golden eagle, pronghorn, bighorn sheep, caracara, zebras, African elephant, macaw, hippo, among others. Zoo Los Coyotes is a 27.68-acre (11.2 ha) zoo located south of Mexico City in the Coyoacan. It was inaugurated on 2 February 1999. It has more than 301 specimens of 51 species of wild native or endemic fauna from the area, featuring eagles, ajolotes, coyotes, macaws, bobcats, Mexican wolves, raccoons, mountain lions, teporingos, foxes, white-tailed deer. Mexico City has

4860-548: The Mexicas' principal god, Huitzilopochtli , indicated the site where they were to build their home by presenting a golden eagle perched on a prickly pear devouring a rattlesnake . Between 1325 and 1521, Tenochtitlan grew in size and strength, eventually dominating the other city-states around Lake Texcoco and in the Valley of Mexico. When the Spaniards arrived, the Aztec Empire had reached much of Mesoamerica , touching both

4968-561: The Miguel Hidalgo. It was opened in 1924. Visitors can see about 243 specimens of different species including kangaroos, giant panda, gorillas, caracal, hyena, hippos, jaguar, giraffe, lemur, lion, among others. Zoo San Juan de Aragon is near the San Juan de Aragon Park in the Gustavo A. Madero. In this zoo, opened in 1964, there are species that are in danger of extinction such as the jaguar and

5076-844: The National Database of the Unique Population Registration Key, are used as elements of support in the role of the Secretary of the Interior, through the General Directorate of the National Population Registry and Identidpd in the registration and accreditation of the identity of the country's population and of nationals residing abroad; assigning and issuing the Unique Key of Population Register. This Database

5184-511: The Palaces"), a nickname attributed to Baron Alexander von Humboldt when visiting the city in the 19th century, who, sending a letter back to Germany, said Mexico City could rival any major city in Europe. But it was English politician Charles Latrobe who really penned the following: "... look at their works: the moles, aqueducts, churches, roads—and the luxurious City of Palaces which has risen from

5292-525: The Spanish preserved Tenochtitlan's basic layout, they built Catholic churches over the old Aztec temples and claimed the imperial palaces for themselves. Tenochtitlan was renamed "Mexico" because the Spanish found the word easier to pronounce. The city had been the capital of the Aztec Empire and in the colonial era, Mexico City became the capital of New Spain . The viceroy of Mexico or vice-king lived in

5400-475: The area closest to the main square in what was known as the traza , in orderly, well laid-out streets. Indigenous residences were outside that exclusive zone and houses were haphazardly located. Spaniards sought to keep indigenous people separate but since the Zócalo was a center of commerce for Amerindians, they were a constant presence in the central area, so strict segregation was never enforced. At intervals Zócalo

5508-446: The area was struck by the 1985 Mexico City earthquake . The earthquake proved to be a disaster politically for the one-party state government. The Mexican government was paralyzed by its own bureaucracy and corruption, forcing ordinary citizens to create and direct their own rescue efforts and to reconstruct much of the housing that was lost as well. However, the last straw may have been the controversial elections of 1988. That year,

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5616-451: The armies of Pancho Villa and Emiliano Zapata , but the city did not experience violence. Huerta had abandoned the capital and the conquering armies marched in. Venustiano Carranza 's Constitutionalist faction ultimately prevailed in the revolutionary civil war and Carranza took up residence in the presidential palace. In the 20th century the phenomenal growth of the city and its environmental and political consequences dominate. In 1900,

5724-554: The army stronghold of the ciudadela or citadel, with significant civilian casualties and the undermining of confidence in the Madero government. Victoriano Huerta , chief general of the Federal Army , saw a chance to take power, forcing Madero and Pino Suarez to sign resignations. The two were murdered later while on their way to Lecumberri prison . Huerta's ouster in July 1914 saw the entry of

5832-481: The attack against Chapultepec and carried the castle. Future Confederate generals George E. Pickett and James Longstreet participated in the attack. Serving in the Mexican defense were the cadets later immortalized as Los Niños Héroes (the "Boy Heroes"). The Mexican forces fell back from Chapultepec and retreated within the city. Attacks on the Belén and San Cosme Gates came afterwards. The treaty of Guadalupe Hidalgo

5940-497: The camaraderie did not last long. Cortés put Moctezuma under house arrest , hoping to rule through him. Tensions increased until, on the night of 30 June 1520 – during a struggle known as " La Noche Triste " – the Aztecs rose up against the Spanish intrusion and managed to capture or drive out the Europeans and their Tlaxcalan allies. Cortés regrouped at Tlaxcala. The Aztecs thought the Spaniards were permanently gone, and they elected

6048-496: The capital. The 16th century saw a proliferation of churches, many of which can still be seen today in the historic center . Economically, Mexico City prospered as a result of trade. Unlike Brazil or Peru , Mexico had easy contact with both the Atlantic and Pacific worlds. Although the Spanish crown tried to completely regulate all commerce in the city, it had only partial success. The concept of nobility flourished in New Spain in

6156-410: The case of men, the first name will be overlooked and the fourth character will be taken from the second given name's initial. This is because the names María and José are very common and would generate many duplicates if used to generate the code. For example, if the person were named María Fernanda Escamilla Arroyo, her CURP's first four characters would be EAAF because María does not count for

6264-758: The children (either by birth or adoption) by mutual agreement. In case of disagreement, the order of the surnames is determined by lottery. The law also allows the correction of some of the names, the elimination of some of the names or surnames, inverting the surnames or the change of names and surnames. In Costa Rica, Cuba, the Dominican Republic, Nicaragua, and Puerto Rico, both men and women carry their two family names (first their father's, and second their mother's). Both are equally important and are mandatory for any official document. Married women typically do not change their original family names for their husband's. Even when they migrate to other countries where this

6372-413: The city vulnerable to flooding. Drainage was engineered through the use of canals and tunnels starting in the 17th century. Mexico City primarily rests on what was Lake Texcoco . Seismic activity is frequent there. Lake Texcoco was drained starting from the 17th century. Although none of the lake waters remain, the city rests on the lake bed's heavily saturated clay. This soft base is collapsing due to

6480-470: The civil registration norms. One way is to be registered with only a first surname that is the mother's surname. Generally speaking, Argentine family names usually consist of a single, paternal surname. However, due to the large number of people of Spanish descent, with identical surname, many Argentines still use the surnames of both parents. In modern-day Argentina, it is not common for married women to adopt their spouse's surname after marriage, although in

6588-474: The clay-built ruins of Tenochtitlan...", on page 84 of the Letter V of The Rambler in Mexico . During the colonial period, the city's motto was "Muy Noble e Insigne, Muy Leal e Imperial" (Very Noble and Distinguished, Very Loyal and Imperial). During Andrés Manuel López Obrador 's administration a political slogan was introduced: la Ciudad de la Esperanza ( lit.   ' The City of Hope ' ). This motto

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6696-438: The colonial period to work on infrastructure to prevent flooding. Floods were not only an inconvenience but also a health hazard, since during flood periods human waste polluted the city's streets. By draining the area, the mosquito population dropped as did the frequency of the diseases they spread. However, draining the wetlands also changed the habitat for fish and birds and the areas accessible for indigenous cultivation close to

6804-498: The construction of large sporting facilities. In 1969, the Mexico City Metro was inaugurated. Explosive growth in the population of the city started in the 1960s, with the population overflowing the boundaries of the Federal District into the neighboring State of Mexico, especially to the north, northwest, and northeast. Between 1960 and 1980 the city's population more than doubled to nearly 9 million. In 1980, half of all

6912-429: The draining of Lake Texcoco and global warming have greatly reduced snowfalls after the snow flurries of 12 February 1907. Since 1908, snow has only fallen three times, snow on 14 February 1920; snow flurries on 14 March 1940; and on 12 January 1967, when 8 centimeters (3 in) of snow fell on the city, the most on record. The 1967 snowstorm coincided with the operation of Deep Drainage System that resulted in

7020-564: The example above). Such inversion, if chosen, must be consistent for all children of the marriage. Uruguayans carry two surnames, as is the practice in most Spanish-speaking countries. Such custom has been recognized under Uruguayan laws No. 15.462 and 19.075. Regarding names, it is a common practice for Uruguayans to carry two names. Under Section 5 of Law No. 15.462, it is forbidden to the Officers of Public Registrars to register " names that are extravagant, ridiculous, immoral or that may provoke

7128-493: The final siege of the conquest. Cortés first settled in Coyoacán , but decided to rebuild the Aztec site to erase all traces of the old order. He did not establish a territory under his own personal rule , but remained loyal to the Spanish crown. The first Spanish viceroy arrived in Mexico City fourteen years later. By that time, the city had again become a city-state , having power that extended far beyond its borders. Although

7236-574: The highest temperature on record was 34.7 °C (94.5 °F) on 25 May 2024. Overall precipitation is heavily concentrated in the summer months, and includes dense hail . Snow falls in the city scarcely, although somewhat more often on nearby mountaintops. Throughout its history, the Central Valley of Mexico was accustomed to having several snowfalls per decade (including a period between 1878 and 1895 in which every single year—except 1880—recorded snowfalls ), mostly lake-effect snow . The effects of

7344-480: The husband's surname can be added after the woman's surnames using the conjunction de (of). Thus Leocadia Blanco Álvarez , married to a Pedro Pérez Montilla , may be addressed as Leocadia Blanco de Pérez or as Leocadia Blanco Álvarez de Pérez . This format is not used in everyday settings and has no legal value (with the exception of Argentina and the Dominican Republic ). In other nations doing so

7452-418: The indexing is done under the father's family name; this would be the first element of the surname. Depending upon the person involved, the particle de may be treated as a part of a family name or it may be separated from a family name. The indexing of Hispanophone names differs from that of Portuguese or Lusophone names, where the indexing occurs from the final element of the name. Mexico City This

7560-610: The industrial jobs in Mexico were located in Mexico City. Under relentless growth, the Mexico City government could barely keep up with services. Villagers from the countryside who continued to pour into the city to escape poverty only compounded the city's problems. With no housing available, they took over lands surrounding the city, creating huge shanty towns . The inhabitants of Mexico City faced serious air pollution and water pollution problems, as well as groundwater-related subsidence . Air and water pollution has been contained and improved in several areas due to government programs,

7668-404: The insurgency, occurred four days later. After a decade of war, Mexico's independence from Spain was effectively declared in the Declaration of Independence of the Mexican Empire on 27 September 1821. Agustín de Iturbide is proclaimed Emperor of the First Mexican Empire by Congress, crowned in the Cathedral of Mexico . The Mexican Federal District was established by the new government and by

7776-510: The largest Spanish-speaking city (city proper) in the world. Greater Mexico City has a GDP of $ 411 billion in 2011, which makes it one of the most productive urban areas in the world . The city was responsible for generating 15.8% of Mexico's GDP, and the metropolitan area accounted for about 22% of the country's GDP. If it were an independent country in 2013, Mexico City would be the fifth-largest economy in Latin America . Mexico City

7884-459: The last half of the 18th century. Many of these palaces can still be seen today, leading to Mexico City's nickname of "The city of palaces" given by Alexander Von Humboldt . The Grito de Dolores ("Cry of Dolores"), also known as El Grito de la Independencia ("Cry of Independence"), marked the beginning of the Mexican War of Independence . The Battle of Guanajuato, the first major engagement of

7992-452: The levels of these two pollutants reached critical levels, contingency actions were implemented which included closing factories, changing school hours, and extending the A day without a car program to two days of the week. The government also instituted industrial technology improvements, a strict biannual vehicle emission inspection and the reformulation of gasoline and diesel fuels . The introduction of Metrobús bus rapid transit and

8100-553: The lower Cenolithic period (9500–7000 BC). However, a 2003 study placed the age of the Peñon woman at 12,700 years old (calendar age), one of the oldest human remains discovered in the Americas. Studies of her mitochondrial DNA suggest she was either of Asian or European or Aboriginal Australian origin. The area was the destination of the migrations of the Teochichimecas during the 8th and 13th centuries, people that would give rise to

8208-477: The main campus of the National Autonomous University of Mexico . Designed by the most prestigious architects of the era, including Mario Pani , Eugenio Peschard , and Enrique del Moral , the buildings feature murals by artists Diego Rivera , David Alfaro Siqueiros , and José Chávez Morado . It has since been recognized as a UNESCO World Heritage Site . The 1968 Olympic Games brought about

8316-424: The metropolitan area. The area receives about 820 millimeters (32 in) of annual rainfall, which is concentrated from May through October with little or no precipitation for the remainder of the year. The area has two main seasons. The wet humid summer runs from May to October when winds bring in tropical moisture from the sea, the wettest month being July. The cool sunny winter runs from November to April, when

8424-625: The naming-custom-limiting Article 106 compelled the Venezuelan National Electoral Council to delete it from the Civil Registry Organic Law Project . It could be said that common names like Elvio Lado (which can be pronounced as "el violado", meaning "the raped one") or Mónica Galindo (which can be pronounced as "Moni caga lindo", meaning "Moni shits prettily") would count as an example of violation to this law. In some instances, such as high society meetings,

8532-672: The naturalised person is from a one-surname culture (paternal surname), the maiden name of the mother needs to be obtained, and if such cannot be evidenced, the surname is then duplicated. In August 2007, a draft law by the Venezuelan National Electoral Council thus sought to change the national Venezuelan naming customs: ' Civil Registry Organic Law Project: Limitation upon the inscription of names Article 106 "...[civil registrars] will not permit... [parents] to place names [upon their children] that expose them to ridicule; that are extravagant or difficult to pronounce in

8640-463: The official language; that contain familiar and colloquial variants that denote a confused identification, or that generate doubts about the determination of the sex. In these cases, the registrar will offer, as reference, a listing of the most common names and surnames... The names of boys, girls, or adolescents of the country's indigenous ethnic groups and the names of foreigners' children are excepted from this disposition...." Popular complaint against

8748-455: The old Aztec ceremonial center. The existing central plaza of the Aztecs was effectively and permanently transformed to the ceremonial center and seat of power during the colonial period, and remains to this day in modern Mexico, the central plaza of the nation. The rebuilding of the city after the siege of Tenochtitlan was accomplished by the abundant indigenous labor in the surrounding area. Franciscan friar Toribio de Benavente Motolinia , one of

8856-600: The order of the surnames is determined by draw. For example, Natalia Marisa Oreiro Iglesias is the daughter of Carlos Florencio Oreiro Poggio and Mabel Cristina Iglesias Bourié. Note that the marriage between her parents did not mean that the mother lost her maiden surnames. In Uruguay, foreigners may retain use of their cultural naming customs, yet upon being granted the Uruguayan national identification document called Cédula de Identidad , they are legally obliged to assume Spanish-style names (a name or two, and two surnames). If

8964-419: The over-extraction of groundwater, called groundwater-related subsidence . Since the beginning of the 20th century the city has sunk as much as nine meters (30 feet) in some areas. On average Mexico City sinks 20 inches (1 foot and 8 inches) or 50 centimetres (1/2 meters ) every year. This sinking is causing problems with runoff and wastewater management, leading to flooding problems, especially during

9072-436: The partner's surname can be added after the person's surnames using the preposition de (of), but it is not a practice officially or legally provided, recognized or accepted. Since 2013, parents may invert this order by mutual agreement, at the naming of the first child of the couple. Subsequent children must be named following the same order, since once the order of the surnames has been established it cannot be changed. If there

9180-452: The past some did add the spousal surname after their own with a de (of), as in, Cristina Fernández de Kirchner . Until 2022, instead of primer apellido (first surname) and segundo apellido (second surname), legally, the following expressions were used: apellido paterno (paternal surname) and apellido materno (maternal surname). Today, according to the Código Civil (Civil Code),

9288-629: The pine forests of the Desierto de los Leones National Park . Amusement parks include Six Flags México , in Ajusco neighborhood which is the largest in Latin America. There are numerous seasonal fairs present in the city. Mexico City has three zoos. Chapultepec Zoo , the San Juan de Aragon Zoo  [ es ; no ] and Los Coyotes Zoo . Chapultepec Zoo is located in the first section of Chapultepec Park in

9396-505: The political disputes of the country. It was the imperial capital on two occasions (1821–1823 and 1864–1867), and of two federalist states and two centralist states that followed innumerable coups d'états in the space of half a century before the triumph of the Liberals after the Reform War . It was also the objective of one of the two French invasions to Mexico ( 1861–1867 ), and occupied for

9504-550: The population of Mexico City was about 500,000. The city began to grow rapidly westward in the early part of the 20th century and then began to grow upwards in the 1950s, with the Torre Latinoamericana becoming the city's first skyscraper. The rapid development of Mexico City as a center for modernist architecture was most fully manifested in the mid-1950s construction of the Ciudad Universitaria, Mexico City ,

9612-621: The postal abbreviation of the Federal District in Spanish: D.F., which is read "De-Efe"). They are formally called capitalinos (in reference to the city being the capital of the country), but "[p]erhaps because capitalino is the more polite, specific, and correct word, it is almost never utilized". The oldest signs of human occupation in the area of Mexico City are those of the " Peñón woman " and others found in San Bartolo Atepehuacan ( Gustavo A. Madero ). They were believed to correspond to

9720-432: The presidency was set between the P.R.I. 's candidate, Carlos Salinas de Gortari, and a coalition of left-wing parties led by Cuauhtémoc Cárdenas , son of the former president Lázaro Cárdenas . The counting system "fell" because coincidentally the power went out and suddenly, when it returned, the winning candidate was Salinas, even though Cárdenas had the upper hand. As a result of the fraudulent election, Cárdenas became

9828-466: The renovation of vehicles and the modernization of public transportation. The autocratic government that ruled Mexico City since the Revolution was tolerated, mostly because of the continued economic expansion since World War II. This was the case even though this government could not handle the population and pollution problems adequately. Nevertheless, discontent and protests began in the 1960s leading to

9936-581: The right to elect both a head of government and the representatives of the unicameral Legislative Assembly by election in 1997. Ever since, left-wing parties (first the Party of the Democratic Revolution and later the National Regeneration Movement ) have controlled both of them. The city has several progressive policies, such as elective abortions , a limited form of euthanasia , no-fault divorce , same-sex marriage , and legal gender change . On 29 January 2016, it ceased to be

10044-468: The second letter, a vowel, into an "X". Initially, a CURP card ( cédula ) was obtainable at CURP government offices, and also at the Civil Registry, ISSSTE , IMSS , and other government services; the document was printed on green paper at the time. Valid copies of existing CURPs can now be printed on plain paper by visiting an official website . While an existing CURP can be looked up using one of

10152-460: The second surname from the mother occasionally results in legal mistakes by entities in the United States, where, by social convention, there is a single last name inherited solely from the father. For example, the 2006 decision on Corona Fruits & Veggies v. Frozsun Foods , from one of the California Courts of Appeal , held that a creditor had failed to perfect its security interest in

10260-417: The siege of Tenochtitlan, and during colonial times the Spanish regularly drained the lake to prevent floods. Only a small section of the original lake remains, located outside Mexico City, in the municipality of Atenco , State of Mexico . Architects Teodoro González de León and Alberto Kalach along with a group of Mexican urbanists, engineers and biologists have developed the project plan for Recovering

10368-576: The signing of their new constitution, where the concept of a federal district was adapted from the United States Constitution . Before this designation, Mexico City had served as the seat of government for both the State of Mexico and the nation as a whole. Texcoco de Mora and then Toluca became the capital of the State of Mexico. During the 19th century, Mexico City was the center stage of all

10476-436: The spouse's ones at marriage. Spouse's name adoption is not socially practiced and the possibility of so doing is not even contemplated by the law. Although a woman may socially use the marital conjunction de , it is omitted in her legal name. For example, former first lady Marta Larraechea very often is called Marta Larraechea de Frei, but her full legal name remains Marta Larraechea Bolívar. As another example, Soledad Alvear

10584-462: The summer. The entire lake bed is now paved over and most of the city's remaining forested areas lie in the southern boroughs of Milpa Alta , Tlalpan and Xochimilco . Originally much of the valley lay beneath the waters of Lake Texcoco , a system of interconnected salt and freshwater lakes. The Aztecs built dikes to separate the fresh water used to raise crops in chinampas and to prevent recurrent floods. These dikes were destroyed during

10692-417: The total draining of what was left of Lake Texcoco. After the disappearance of Lake Texcoco, snow has never fallen again over Mexico City. The region of the Valley of Mexico receives anti-cyclonic systems. The weak winds of these systems do not allow for the dispersion, outside the basin, of the air pollutants which are produced by the 50,000 industries and 4 million vehicles operating in and around

10800-410: The two maternal surnames. Starting in 2021, parents can reverse this order by mutual agreement. The rule will be applied according to the type of couple: in the case of heterosexual couples, the order will be as in general practice (the first last name will be the paternal last name and the second last name will be the maternal last name). Parents of the same sex may choose the order of both surnames of

10908-481: The viceregal palace on the main square or Zócalo . The Mexico City Metropolitan Cathedral , the seat of the Archbishopric of New Spain, was constructed on another side of the Zócalo, as was the archbishop's palace, and across from it the building housing the city council or ayuntamiento of the city. A late seventeenth-century painting of the Zócalo by Cristóbal de Villalpando depicts the main square, which had been

11016-423: Was built in the center of the inland lake system, with the city reachable by canoe and by wide causeways to the mainland. The causeways were rebuilt under Spanish rule with indigenous labor. Colonial Spanish cities were constructed on a grid pattern, if no geographical obstacle prevented it. In Mexico City, the Zócalo (main square) was the central place from which the grid was then built outward. The Spanish lived in

11124-409: Was done as part of the initial implementation of the system to test its functionality. The Agreement provides assigning a CURP number to everyone living in Mexico and to Mexicans living abroad. Currently, the CURP is essential for tax filings , to keep records of companies , schools, membership in government-run health services, passport applications , and other government services. CURP number

11232-424: Was established, known as México Tenochtitlán , and as of 1585, it was officially known as Ciudad de México (Mexico City). Mexico City played a major role in the Spanish colonial empire as a political, administrative, and financial center. Following independence from Spain , the federal district was established in 1824. After years of demanding greater political autonomy , residents were finally given

11340-418: Was not political but rather a very conservative Spanish social one, based on proving the worthiness of the family. Most of these families proved their worth by making fortunes in New Spain outside of the city itself, then spending the revenues in the capital, building churches, supporting charities and building extravagant palatial homes. The craze to build the most opulent residence possible reached its height in

11448-549: Was quickly adopted as a city nickname but has faded since the new motto, Capital en Movimiento ("Capital in Movement"), was adopted by the administration headed by Marcelo Ebrard , though the latter is not treated as often as a nickname in media. Up until 2013, it was common to refer to the city by the initialism "DF" from "Distrito Federal de México". Since 2013, the abbreviation "CDMX" (Ciudad de México) has been more common, particularly in relation to government campaigns. The city

11556-551: Was signed in what is now the far north of the city. The capital escaped the worst of the violence of the ten-year conflict of the Mexican Revolution . The most significant episode of this period for the city was the Decena Trágica ("Ten Tragic Days") of February 1913, when forces counter to the elected government of Francisco I. Madero staged a successful coup. The center of the city was subjected to artillery attacks from

11664-403: Was where major celebrations took place as well as executions. It was also the site of two major riots in the seventeenth century, one in 1624, the other in 1692. The city grew as the population did, coming up against the lake's waters. As the depth of the lake water fluctuated, Mexico City was subject to periodic flooding. A major labor draft, the desagüe , compelled thousands of indigenous over

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