Valentín Alsina (December 16, 1802 – September 6, 1869) was an Argentine lawyer and politician.
86-569: Alsina was born in Buenos Aires and studied law at the University of Córdoba . He occupied diverse posts in government, and had a successful civil career as an advocate and professor of law at the University of Buenos Aires . Under the government of Juan Manuel de Rosas , he had to leave the country, as his liberal ideas did not please the dictator at all. From his refuge in Montevideo , he supported
172-608: A 1993 agreement , the Argentine Constitution was amended to give Buenos Aires autonomy and rescinding, among other things, the president's right to appoint the city's mayor (as had been the case since 1880). On 30 June 1996, voters in Buenos Aires chose their first elected mayor, Jefe de Gobierno . In 1996, following the 1994 reform of the Argentine Constitution , the city held its first mayoral elections under
258-646: A Chief of Government in 1996; previously, the Mayor was directly appointed by the President of Argentina . The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts , constitutes the fifth-most populous metropolitan area in the Americas , with a population of around 13.8 million. It is also the second largest city south of the Tropic of Capricorn . The quality of life in Buenos Aires
344-652: A Deputy Chief of Government. In analogous fashion to the Vice President of Argentina, the Deputy Chief of Government presides over the city's legislative body, the City Legislature . The Chief of Government and the Legislature are both elected for four-year terms; half of the Legislature's members are renewed every two years. Elections use the D'Hondt method of proportional representation. The judicial branch comprises
430-590: A Zimbabwean-born biologist, farmer, game rancher, politician and international consultant and co-founder of the Savory Institute . According to the United Nations University Our World dissemination he is credited with developing "holistic management" in the 1960s and has led anti-desertification efforts in Africa for decades using a counterintuitive approach to most developed economies of increasing
516-572: A fervent supporter of Buenos Aires Province independence, became Governor again in 1857. In 1859, open hostilities broke out between Buenos Aires and the Argentine Confederation, led by Urquiza. After the defeat of the Buenos Aires army at the Battle of Cepeda on October 23, 1859, Alsina had to resign his post, and shortly after Buenos Aires rejoined the Confederation. Alsina became a member of
602-528: A unipersonal office, the Supreme Director . Formal independence from Spain was declared in 1816, at the Congress of Tucumán . Buenos Aires managed to endure the whole Spanish American wars of independence without falling again under royalist rule. Historically, Buenos Aires has been Argentina's main venue of liberal , free-trading , and foreign ideas. In contrast, many of the provinces, especially those to
688-461: Is 36,788 km (22,859 mi). In most of this belt of southern Africa , a minimum of seasonal rainfall is reliable and farming is possible, though yields struggle to compete with for example the Mississippi basin , even against like-to-like soil fertilisers . Rivers have been successfully dammed particularly flowing from relief precipitation areas (high eminences) and those from the edge of
774-476: Is an autonomous district. In 1880, after the Argentine Civil War , Buenos Aires was federalized and removed from Buenos Aires Province. The city limits were enlarged to include the towns of Belgrano and Flores ; both are now neighborhoods of the city . The 1994 constitutional amendment granted the city autonomy , hence its formal name of Autonomous City of Buenos Aires. Its citizens first elected
860-445: Is that of the Cien barrios porteños ("One hundred porteño neighborhoods"), referring to a composition made popular in the 1940s by tango singer Alberto Castillo ; however, Buenos Aires only consists of 48 official barrios . There are several subdivisions of these districts, some with a long history and others that are the product of a real estate invention. A notable example is Palermo –
946-521: Is the capital city of Argentina , on the western shore of the Río de la Plata on South America's southeastern coast. " Buenos aires " is Spanish for "fair winds" or "good airs". Buenos Aires is classified as an Alpha global city , according to the Globalization and World Cities Research Network (GaWC) 2020 ranking. The city of Buenos Aires is neither part of Buenos Aires Province nor its capital; it
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#17330922719901032-559: Is thus the southernmost latitude where the Sun can be seen directly overhead. It also reaches 90 degrees below the horizon at solar midnight on the June Solstice . Its northern equivalent is the Tropic of Cancer . The Tropic of Capricorn is one of the five major circles of latitude marked on maps of Earth . Its latitude is currently 23°26′09.8″ (or 23.43605°) south of the Equator , but it
1118-672: Is today the San Telmo district of Buenos Aires, south of the city center . More attacks by the indigenous people forced the settlers away, and in 1542, the site was thusly abandoned. A second (and permanent) settlement was established on 11 June 1580 by Juan de Garay , who arrived by sailing down the Paraná River from Asunción (now the capital of Paraguay). He dubbed the settlement "Santísima Trinidad" and its port became "Puerto de Santa María de los Buenos Aires." From its earliest days, Buenos Aires depended primarily on trade. During most of
1204-454: Is very gradually moving northward, currently at the rate of 0.47 arcseconds , or 15 metres, per year. When this line of latitude was named in the last centuries BC , the Sun was in the constellation Capricornus at the December solstice . This is the date each year when the Sun reaches zenith at this latitude, the southernmost declination it reaches for the year. (Due to the precession of
1290-514: The Argentine Chamber of Deputies . The Guardia Urbana de Buenos Aires (Buenos Aires Urban Guard) was a specialized civilian force of the city of Buenos Aires, Argentina , that used to deal with different urban conflicts with the objective of developing actions of prevention, dissuasion and mediation, promoting effective behaviors that guarantee the security and the integrity of public order and social coexistence. The unit continuously assisted
1376-677: The Argentine Senate in 1862. When Bartolomé Mitre ( President of Argentina between 1862 and 1868) offered him a position as member of the Argentine Supreme Court he refused and remained serving as a Senator until his death, which occurred just a few months after he took the oath of his son Adolfo Alsina , who became Vice President of Argentina in 1868. Buenos Aires Buenos Aires ( / ˌ b w eɪ n ə s ˈ ɛər iː z / or /- ˈ aɪ r ɪ s / ; Spanish pronunciation: [ˈbwenos ˈajɾes] )
1462-694: The Atacama Desert , one of the driest in the world, so that no glaciers exist between Volcán Sajama at 18˚30'S and Cerro Tres Cruces at 27˚S . Vegetation here is almost non-existent, though on the eastern slopes of the Andes rainfall is adequate for rainfed agriculture . Starting at the Prime Meridian and heading eastwards, the Tropic of Capricorn passes through 10 countries: Download coordinates as: The following cities and landmarks are either located near
1548-593: The Diamantina River . In most years, their waters are absorbed into the earth or evaporate, but when there is sufficient rainfall in their catchment area, these rivers flow into Lake Eyre , South Australia. One of the most significant rainfall events occurred in 2010 when a monsoonal low from ex- Cyclone Olga created a period of exceptional rainfall. El Niño adverse phases cause a shift in atmospheric circulation; rainfall becomes reduced over Indonesia and Australia, rainfall and tropical cyclone formation increases over
1634-622: The Great Rift Valley , such as the Zambezi , well within the Tropics. This, with alluvial or enriched soil, enables substantial yield grain farming in areas with good soil. Across this large region pasture farming is widespread, where intensive, brief and rotational it helps to fertilise and stabilise the soil, preventing run-off and desertification . This approach is traditional to many tribes and promoted by government advisors such as Allan Savory ,
1720-557: The Pampero and Sudestada winds pass by, the weather is variable due to these contrasting air masses. Summers are hot and humid. The warmest month is January, with a daily average of 24.9 °C (76.8 °F). Heat waves are common during summers. However, most heat waves are of short duration (less than a week) and are followed by the passage of the cold, dry Pampero wind which brings violent and intense thunderstorms followed by cooler temperatures. The highest temperature ever recorded
1806-697: The pampa region , with the exception of some areas such as the Buenos Aires Ecological Reserve , the Boca Juniors (football club) 's "sports city", Jorge Newbery Airport , the Puerto Madero neighborhood and the main port itself; these were all built on reclaimed land along the coasts of the Rio de la Plata (the world's widest river). The region was formerly crossed by different streams and lagoons, some of which were refilled, and others tubed. Among
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#17330922719901892-551: The "Fair Winds" to aid them in their navigation and prevent shipwrecks . A sanctuary to the Virgin of Buen Ayre would later be erected in Seville . At the foundation of Buenos Aires, Spanish sailors arrived in the Río de la Plata giving thanks to the blessings of "Santa Maria de los Buenos Aires", "Holy Mary of the Good Winds", who they believed to have given them the good winds to reach
1978-450: The 17th century, Spanish ships were menaced by pirates, so they developed a complex system where ships with military protection were dispatched to Central America in a convoy from Seville (the only port allowed to trade with the American colonies) to Lima, Peru , and from there to the other cities of the viceroyalty. Because of this, products took a very long time to arrive in Buenos Aires, and
2064-690: The 17th century. The usual abbreviation for Buenos Aires in Spanish is Bs.As . It is also common to refer to it as " B.A. " or " BA ". When referring specifically to the autonomous city, it is very common to colloquially call it " Capital " in Spanish. Since the autonomy obtained in 1994, it has been called " CABA " (per Ciudad Autónoma de Buenos Aires , Autonomous City of Buenos Aires). [REDACTED] Kingdom of Spain - Habsburg , 1536–1700 [REDACTED] Kingdom of Spain - Bourbon , 1700–1808 [REDACTED] Kingdom of Spain - Bonaparte , 1808–1810 [REDACTED] United Provinces of
2150-442: The 1970s the city suffered from the fighting between left-wing revolutionary movements ( Montoneros , ERP and F.A.R.) and the right-wing paramilitary group Triple A , supported by Isabel Perón , who became president of Argentina in 1974 after Juan Perón's death. The March 1976 coup , led by General Jorge Videla , only escalated this conflict; the " Dirty War " resulted in 30,000 desaparecidos (people kidnapped and killed by
2236-470: The 1990s saw an economic revival, particularly in the construction and financial sectors. On 17 March 1992, a bomb exploded in the Israeli Embassy , killing 29 and injuring 242. Another explosion, on 18 July 1994, destroyed a building housing several Jewish organizations, killing 85 and injuring many more, these incidents marked the beginning of Middle Eastern terrorism to South America. Following
2322-514: The Constitution of the states that " Suffrage is free, equal, secret, universal, compulsory and non-accumulative. Resident aliens enjoy this same right, with its corresponding obligations, on equal terms with Argentine citizens registered in the district, under the terms established by law ." The executive power is vested on the Chief of Government (Spanish: Jefe de Gobierno ), who is elected alongside
2408-671: The Crown of Aragon, after its capture from the Pisans in 1324, established their headquarters on top of a hill that overlooked the city. The hill was known to them as Bonaira (or Bonaria in Sardinian ), as it was free of the foul smell prevalent in the old city (the castle area), which is adjacent to swampland . During the siege of Cagliari, the Catalans built a sanctuary to the Virgin Mary on top of
2494-495: The Earth's longitudinal alignment relative to its orbit around the Sun. Earth's axial tilt varies over a 41,000 year period from about 22.1 to 24.5 degrees and currently resides at about 23.4 degrees. This wobble means that the Tropic of Capricorn is currently drifting northward at a rate of almost half an arcsecond (0.468″) of latitude, or 15 metres, per year (it was at exactly 23° 27′S in 1917 and will be at 23° 26'S in 2045). Therefore,
2580-452: The Río de la Plata , 1810–1831 [REDACTED] Argentine Confederation , 1831–1852 [REDACTED] State of Buenos Aires , 1852–1861 [REDACTED] Argentina , 1861–present In 1516, navigator and explorer Juan Díaz de Solís , navigating in the name of Spain, was the first European to reach the Río de la Plata . His expedition was cut short when he was killed during an attack by
2666-813: The Supreme Court of Justice ( Tribunal Superior de Justicia ), the Council of Magistracy ( Consejo de la Magistratura ), the Public Ministry, and other city courts. Legally, the city has less autonomy than the Provinces . In June 1996, shortly before the city's first Executive elections were held, the Argentine National Congress issued the National Law 24.588 (known as Ley Cafiero , after the Senator who advanced
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2752-537: The acting mayor, was invested with the office. In the 2007 elections, Mauricio Macri of the Republican Proposal (PRO) party won the second-round of voting over Daniel Filmus of the Frente para la Victoria (FPV) party, taking office on 9 December 2007. In 2011, the elections went to a second round with 60.96 percent of the vote for PRO, compared to 39.04 percent for FPV, thus ensuring Macri's reelection as mayor of
2838-506: The balance of power favorably for the criollos (in contrast to peninsulars ), as well as the development of the Peninsular War in Spain. An attempt by the peninsular merchant Martín de Álzaga to remove Liniers and replace him with a Junta was defeated by the criollo armies. However, by 1810 it would be those same armies who would support a new revolutionary attempt, successfully removing
2924-466: The brief period of British rule, the viceroy Rafael Sobremonte managed to escape to Córdoba and designated this city as capital. Buenos Aires became the capital again after its recapture by Argentine forces, but Sobremonte could not resume his duties as viceroy. Santiago de Liniers, chosen as new viceroy, prepared the city against a possible new British attack and repelled a second invasion by Britain in 1807. The militarization generated in society changed
3010-633: The capital. However, Charles's placating actions did not have the desired effect, and the porteños , some of them versed in the ideology of the French Revolution , instead became even more convinced of the need for independence from Spain. During the British invasions of the Río de la Plata , British forces attacked Buenos Aires twice. In 1806 the British successfully invaded Buenos Aires, but an army from Montevideo led by Santiago de Liniers defeated them. In
3096-508: The city became the regional capital of radio , television , cinema , and theater . The city's main avenues were built during those years, and the dawn of the 20th century saw the construction of South America's tallest buildings and its first underground system. A second construction boom, from 1945 to 1980, reshaped downtown and much of the city. Buenos Aires also attracted migrants from Argentina's provinces and neighboring countries. Shanty towns ( villas miseria ) started growing around
3182-411: The city was federalized and became the seat of government, with its mayor appointed by the president. The Casa Rosada became the seat of the president . Health conditions in poor areas were appalling, with high rates of tuberculosis. Contemporaneous public health physicians and politicians typically blamed both the poor themselves and their ramshackle tenement houses (conventillos) for the spread of
3268-491: The city with María Eugenia Vidal as deputy mayor. PRO is established in the most affluent area of the city and in those over fifty years of age. The 2015 elections were the first to use an electronic voting system in the city, similar to the one used in Salta Province . In these elections held on 5 July 2015, Macri stepped down as mayor and pursue his presidential bid and Horacio Rodríguez Larreta took his place as
3354-460: The city's eastern side in the neighborhoods of Puerto Madero, Recoleta, Palermo, and Belgrano. Some of the most important are: Under the Köppen climate classification , Buenos Aires has a humid subtropical climate ( Cfa ). As a result of maritime influences from the adjoining Atlantic Ocean , the climate is temperate with extreme temperatures being rare. Because the city is located in an area where
3440-576: The city's industrial areas during the 1930s, leading to pervasive social problems and social contrasts with the largely upwardly mobile Buenos Aires population. These laborers became the political base of Peronism , which emerged in Buenos Aires during the pivotal demonstration of 17 October 1945, at the Plaza de Mayo . Industrial workers of the Greater Buenos Aires industrial belt have been Peronism's main support base ever since, and Plaza de Mayo became
3526-545: The city's largest district – which has been subdivided into various barrios , including Palermo Soho , Palermo Hollywood , Las Cañitas and Palermo viejo , among others. A newer scheme has divided the city into 15 comunas (communes). Tropic of Capricorn The Tropic of Capricorn (or the Southern Tropic ) is the circle of latitude that contains the subsolar point at the December (or southern) solstice . It
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3612-469: The city's northwest, advocated a more nationalistic and Catholic approach to political and social issues. In fact, much of the internal tension in Argentina's history, starting with the centralist-federalist conflicts of the 19th century, can be traced back to these contrasting views. In the months immediately following said "May Revolution", Buenos Aires sent a number of military envoys to the provinces with
3698-411: The city's residents live in apartment buildings and 30% in single-family homes; 4% live in sub-standard housing. Measured in terms of income, the city's poverty rate was 8.4% in 2007 and, including the metro area, 20.6%. Other studies estimate that 4 million people in the metropolitan Buenos Aires area live in poverty. The city's resident labor force of 1.2 million in 2001 was mostly employed in
3784-463: The city, and the country in general, has been a major recipient of millions of immigrants from all over the world , making it a melting pot where several ethnic groups live together. Thus, Buenos Aires is considered one of the most diverse cities of the Americas . Buenos Aires held the 1st FIBA World Championship in 1950 and 11th FIBA World Championship in 1990 , the 1st Pan American Games in 1951 ,
3870-400: The city. The population of Greater Buenos Aires was 13,147,638 according to 2010 census data. The population density in Buenos Aires proper was 13,680 inhabitants per square kilometer (35,400 inhabitants/sq mi), but only about 2,400/km (6,200/sq mi) in the suburbs. Buenos Aires' population has hovered around 3 million since 1947, due to low birth rates and a slow migration to
3956-557: The coast of what is today the modern city. Pedro de Mendoza called the city "Holy Mary of the Fair Winds", a name suggested by the chaplain of Mendoza's expedition – a devotee of the Virgin of Buen Ayre – after the Madonna of Bonaria from Sardinia (which is still to this day the patroness of the Mediterranean island ). Mendoza's settlement soon came under attack by indigenous people and
4042-531: The deployment of the Metropolitan Police of Buenos Aires is ongoing. Beginning in 2007, the city has embarked on a new decentralization scheme, creating new Communes ( comunas ) which are to be managed by elected committees of seven members each. Buenos Aires is represented in the Argentine Senate by three senators (as of 2017 , Martín Lousteau , Mariano Recalde and Guadalupe Tagliaferri ). The people of Buenos Aires also elect 25 national deputies to
4128-473: The distance between Arctic Circle and the Tropic of Capricorn is essentially constant moving in tandem. See under circles of latitude for information. There are approximately 10 hours, 41 minutes of daylight during the June solstice (Southern Hemisphere winter). During the December solstice (Southern Hemisphere summer), there are 13 hours, 35 minutes of daylight. The length of the Tropic of Capricorn at 23°26′11.7″S
4214-449: The dreaded disease. People ignored public-health campaigns to limit the spread of contagious diseases, such as the prohibition of spitting on the streets, the strict guidelines to care for infants and young children, and quarantines that separated families from ill loved ones. In addition to the wealth generated by customs duties and Argentine foreign trade in general, as well as the existence of fertile pampas , railroad development in
4300-406: The eight planned were put up at the time, they were mostly obtrusive raised freeways that continue to blight a number of formerly comfortable neighborhoods to this day. The city was visited by Pope John Paul II twice, firstly in 1982 and again in 1987; on these occasions gathered some of the largest crowds in the city's history. The return of democracy in 1983 coincided with a cultural revival, and
4386-428: The elections for a third term with Larreta as mayor and Diego Santilli as deputy. In these elections, PRO was stronger in wealthier northern Buenos Aires, while ECO was stronger in the southern, poorer neighborhoods of the city. On 5 December 2023, Jorge Macri of PRO was sworn in as new mayor of Buenos Aires City to succeed outgoing Mayor Horacio Rodríguez Larreta of the same party. The city of Buenos Aires lies in
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#17330922719904472-568: The equinoxes the Sun currently appears in Sagittarius at this solstice.) The Tropic of Capricorn is the dividing line between the Southern Temperate Zone to the south and the Tropics to the north. The Northern Hemisphere equivalent of the Tropic of Capricorn is the Tropic of Cancer . The Tropic of Capricorn's position is not fixed, but constantly changes because of a slight wobble in
4558-406: The foreign powers eventually desisted from their demands. During most of the 19th century, the political status of the city remained a sensitive subject. It was already the capital of Buenos Aires Province , and between 1853 and 1860 it was the capital of the seceded State of Buenos Aires . The issue was fought out more than once on the battlefield, until the matter was finally settled in 1880 when
4644-650: The hill. In 1335, King Alfonso the Gentle donated the church to the Mercedarians , who built an abbey that stands to this day. In the years after that, a story circulated, claiming that a statue of the Virgin Mary was retrieved from the sea after it miraculously calmed a storm in the Mediterranean Sea . The statue was placed in the abbey. Spanish sailors, especially Andalusians , venerated this image and frequently invoked
4730-522: The intention of obtaining their approval. Instead, the enterprise fueled tensions between the capital and the provinces; many of these missions ended in violent clashes. In the 19th century the city was blockaded twice by naval forces: by the French from 1838 to 1840, and later by an Anglo-French expedition from 1845 to 1848. Both blockades failed to bring the Argentine government to the negotiating table, and
4816-453: The mayoral candidate for PRO. In the first round of voting, FPV's Mariano Recalde obtained 21.78% of the vote, while Martín Lousteau of the ECO party obtained 25.59% and Larreta obtained 45.55%, meaning that the elections went to a second round since PRO was unable to secure the majority required for victory. The second round was held on 19 July 2015 and Larreta obtained 51.6% of the vote, followed closely by Lousteau with 48.4%, thus, PRO won
4902-453: The military during the years of the junta). The silent marches of their mothers ( Mothers of the Plaza de Mayo ) are a well-known image of Argentines' suffering during those times. The dictatorship 's appointed mayor, Osvaldo Cacciatore , also drew up plans for a network of freeways intended to relieve the city's acute traffic gridlock. The plan, however, called for a seemingly indiscriminate razing of residential areas and, though only three of
4988-432: The most important streams are the Maldonado, Vega, Medrano, Cildañez, and White. In 1908, as floods were damaging the city's infrastructure, many streams were channeled and rectified; furthermore, starting in 1919, most streams were enclosed. Most notably, the Maldonado was tubed in 1954; it currently runs below Juan B. Justo Avenue . Buenos Aires has over 250 parks and green spaces, the largest concentration of which are on
5074-400: The native Charrúa tribe in what is now Uruguay . The city of Buenos Aires was first established as Ciudad de Nuestra Señora Santa María del Buen Ayre (literally "City of Our Lady Saint Mary of the Fair Winds") after Our Lady of Bonaria (Patroness Saint of Sardinia ) on 2 February 1536 by a Spanish expedition led by Pedro de Mendoza . The settlement founded by Mendoza was located in what
5160-426: The new statutes, with the mayor's title formally changed to "Head of Government". The winner was Fernando de la Rúa , who would later become President of Argentina from 1999 to 2001. De la Rúa's successor, Aníbal Ibarra , won two popular elections, but was impeached (and ultimately deposed on 6 March 2006) as a result of the fire at the República Cromagnon nightclub. In the meantime, Jorge Telerman , who had been
5246-416: The new viceroy Baltasar Hidalgo de Cisneros . This is known as the May Revolution , which is now celebrated as a national holiday. This event started the Argentine War of Independence , and many armies left Buenos Aires to fight the diverse strongholds of royalist resistance, with varying levels of success. The government was held first by two Juntas of many members, then by two triumvirates , and finally by
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#17330922719905332-403: The north brings hot temperatures. The city receives 1,257.6 mm (50 in) of precipitation per year. Because of its geomorphology along with an inadequate drainage network, the city is highly vulnerable to flooding during periods of heavy rainfall. Since the adoption of the city's Constitution in 1996, Buenos Aires has counted with a democratically elected executive; Article 61 of
5418-1205: The number of livestock on grasslands rather than fencing them off for conservation. Such practices in this area have seen success and won generous awards; he gave the keynote speech at UNCCD's Land Day in 2018, and later that year a TED (conference) address, widely re-broadcast. In Australia , areas around the Tropic have some of the world's most variable rainfall . In the east advanced plants such as flowering shrubs and eucalyptus and in most bioregions grasses have adapted to cope with means such as deep roots and little transpiration . Wetter areas, seasonally watered, are widely pasture farmed. As to animals, birds and marsupials are well-adapted. Naturally difficult arable agriculture specialises in dry fruits, nuts and modest water consumption produce. Other types are possible given reliable irrigation sources and, ideally, water-retentive enriched or alluvial soils, especially wheat; shallow irrigation sources very widely dry up in and after drought years. The multi-ridge Great Dividing Range brings relief precipitation enough to make hundreds of kilometres either side cultivable, and its rivers are widely dammed to store necessary water; this benefits
5504-400: The opposition against de Rosas, both financially and through publications. When Rosas was deposed by Justo José de Urquiza , Alsina returned to Buenos Aires, and he was elected provincial Governor in 1852. However, he resigned after a few months, shortly before a military coup took place. In 1853, Buenos Aires left the Argentine Confederation and declared itself an independent state. Alsina,
5590-399: The personnel of the Argentine Federal Police , especially in emergency situations, events of massive concurrence, and protection of tourist establishments . Urban Guard officials did not carry any weapons in the performing of their duties. Their basic tools were a HT radio transmitter and a whistle. As of March 2008 , the Guardia Urbana was removed. The Buenos Aires Metropolitan Police
5676-522: The project) by which the authority over the 25,000-strong Argentine Federal Police and the responsibility over the federal institutions residing at the city (e.g., National Supreme Court of Justice buildings ) would not be transferred from the National Government to the Autonomous City Government until a new consensus could be reached at the National Congress. Furthermore, it declared that the Port of Buenos Aires , along with some other places, would remain under constituted federal authorities. As of 2011 ,
5762-436: The responsibility of the Buenos Aires City Police . The police is headed by the Chief of Police who is appointed by the head of the executive branch of the city of Buenos Aires. Geographically, the force is divided into 56 stations throughout the city. All police station employees are civilians. The Buenos Aires City Police force is composed of over 25,000 officers. In the census of 2010, there were 2,891,082 people residing in
5848-408: The second half of the 19th century increased the economic power of Buenos Aires as raw materials flowed into its factories. A leading destination for immigrants from Europe, particularly Italy and Spain, from 1880 to 1930, Buenos Aires became a multicultural city that ranked itself alongside the major European capitals. During this time, the Colón Theater became one of the world's top opera venues, and
5934-419: The services sector, particularly social services (25%), commerce and tourism (20%) and business and financial services (17%); despite the city's role as Argentina's capital, public administration employed only 6%. Manufacturing still employed 10%. The city is divided into barrios (neighborhoods) for administrative purposes, a division originally based on Catholic parroquias (parishes). A common expression
6020-411: The settled areas of New South Wales and Queensland . Behind the end of the green hills, away from the Pacific , which is subject to warm, negative phases of the El Niño–Southern Oscillation (colloquially this is an "El Niño year/season") is a white, red and yellow landscape of 2,800 to 3,300 kilometres of rain shadow heading west in turn feature normally arid cattle lands of the Channel Country ,
6106-415: The site for demonstrations and many of the country's political events; on 16 June 1955, however, a splinter faction of the Navy bombed the Plaza de Mayo area, killing 364 civilians (see Bombing of Plaza de Mayo ). This was the only time the city was attacked from the air, and the event was followed by a military uprising which deposed President Perón, three months later (see Revolución Libertadora ). In
6192-571: The subtropical anticyclones and thus receives warm and humid air from the Atlantic Ocean . As a result, areas in Brazil adjacent to the Tropic are impressively productive agricultural regions, producing large quantities of crops such as sugarcane , and the natural rainforest vegetation has been almost entirely cleared, except for a few remaining patches of Atlantic Forest . Further south in Argentina ,
6278-423: The suburbs. However, the surrounding districts have expanded over fivefold (to around 10 million) since then. The 2001 census showed a relatively aged population: with 17% under the age of fifteen and 22% over sixty, the people of Buenos Aires have an age structure similar to those in most European cities. They are older than Argentines as a whole (of whom 28% were under 15, and 14% over 60). Two-thirds of
6364-463: The taxes generated by the transport made them prohibitive. This scheme frustrated the traders of Buenos Aires, and a thriving informal, yet tolerated by the authorities, contraband industry developed inside the viceroyalties and with the Portuguese. This also instilled a deep resentment among porteños towards the Spanish authorities. Sensing these feelings, Charles III of Spain progressively eased
6450-552: The temperate grasslands of the Pampas region is equally influential in wheat , soybeans , maize , and beef , making the country one of the largest worldwide agricultural exporters, similar to the role played by the Prairies region in Canada . West of the Andes, which creates a rain shadow , the air is further cooled and dried by the cold Humboldt Current which makes it very arid, creating
6536-615: The trade restrictions before finally declaring Buenos Aires an open port in the late 18th century. The capture of Portobelo in Panama by British forces also fueled the need to foster commerce via the Atlantic route, to the detriment of Lima-based trade. One of his rulings was to split a region from the Viceroyalty of Perú and create instead the Viceroyalty of the Río de la Plata , with Buenos Aires as
6622-454: The tropical Pacific. The low-level surface trade winds , which normally blow from east to west along the equator, either weaken or start blowing from the other direction. In South America , whilst in the continental cratons soils are almost as old as in Australia and Southern Africa, the presence of the geologically young and evolving Andes means that this region is on the western side of
6708-456: The upper 70s%, which means the city is noted for moderate-to-heavy fogs during autumn and winter. July is the coolest month, with an average temperature of 11.0 °C (51.8 °F). Cold spells originating from Antarctica occur almost every year, and can persist for several days. Occasionally, warm air masses from the north bring warmer temperatures. The lowest temperature ever recorded in central Buenos Aires (Buenos Aires Central Observatory)
6794-470: The white Kati Thanda-Lake Eyre National Park , the mainly red Mamungari Conservation Park , then the Gibson Desert , after others the dry landscape settlement of Kalbarri on the west coast and its rest, northward. The Channel Country features an arid landscape with a series of ancient flood plains from rivers which only flow intermittently. The principal rivers are Georgina River , Cooper Creek and
6880-415: Was 43.3 °C (110 °F) on 29 January 1957. In January 2022, a heatwave caused power grid failure in parts of Buenos Aires metropolitan area affecting more than 700,000 households. Winters are rather cool with mild temperatures during the day and chilly nights. Highs during the season average 16.6 °C (61.9 °F) while lows average 8.3 °C (46.9 °F). Relative humidity averages in
6966-433: Was abandoned in 1541. For many years, the name was attributed to a Sancho del Campo, who is said to have exclaimed: How fair are the winds of this land! as he arrived. In 1882, after conducting extensive research in Spanish archives, Argentine merchant Eduardo Madero ultimately concluded that the name was instead closely linked with the devotion of the sailors to Our Lady of Buen Ayre. A second (and permanent) settlement
7052-503: Was established in 1580 by Juan de Garay , who sailed down the Paraná River from Asunción , now the capital of Paraguay. Garay preserved the name originally chosen by Mendoza, calling the city Ciudad de la Santísima Trinidad y Puerto de Santa María del Buen Aire ("City of the Most Holy Trinity and Port of Saint Mary of the Fair Winds"). The short form that eventually became the city's name, "Buenos Aires", became commonly used during
7138-467: Was ranked 91st in the world in 2018, being one of the best in Latin America . It is known for its preserved eclectic European architecture and rich cultural life . It is a multicultural city that is home to multiple ethnic and religious groups, contributing to its culture as well as to the dialect spoken in the city and in some other parts of the country. This is because since the 19th century,
7224-598: Was the police force under the authority of the Autonomous City of Buenos Aires. The force was created in 2010 and was composed of 1,850 officers. In 2016, the Buenos Aires Metropolitan Police and part of the Argentine Federal Police were merged to create the new Buenos Aires City Police force. The Buenos Aires City Police force began operations on 1 January 2017. Security in the city is now
7310-514: Was the site of two venues in the 1978 FIFA World Cup and one in the 1982 FIVB Men's World Championship . Most recently, Buenos Aires had a venue in the 2001 FIFA World Youth Championship and in the 2002 FIVB Volleyball Men's World Championship , hosted the 125th IOC Session in 2013, the 2018 Summer Youth Olympics and the 2018 G20 summit . Aragonese archives record that Catalan missionaries and Jesuits arriving in Cagliari ( Sardinia ) under
7396-447: Was −5.4 °C (22 °F) on 9 July 1918. Snow is very rare in the city: the last snowfall occurred on 9 July 2007 when, during the coldest winter in Argentina in almost 30 years, severe snowfalls and blizzards hit the country. It was the first major snowfall in the city in 89 years. Spring and autumn are characterized by changeable weather conditions. Cold air from the south can bring cooler temperatures while hot humid air from
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