74-590: German strategic failure: Britain The Blitz 1942–1945 The Sheffield Blitz is the name given to the worst nights of German Luftwaffe bombing in Sheffield , England, during the Second World War . It took place during nighttime on 12 and 15 December 1940. In 1940, Sheffield was a city of about 560,000 people and contained industries primarily centred on steel and armaments . Hadfields steelworks
148-506: A 250 kg bomb underneath the fuselage, the later model arriving during the battle. The Bf 109, unlike the Stuka , could fight on equal terms with RAF fighters after releasing its ordnance . At the start of the battle, the twin-engined Messerschmitt Bf 110C long-range Zerstörer ("Destroyer") was also expected to engage in air-to-air combat while escorting the Luftwaffe bomber fleet. Although
222-470: A Grade II registered park or garden. The cemetery is located to the east of central Sheffield. It is in the district called Manor , on a gentle hillside. The cemetery is mainly bordered by housing, on the north, east and south faces, and by City Road on the west. On City Road is the main entrance which features Grade II listed gatehouse which houses the reception and halls of remembrance. There are 220 burials or commemorations of Commonwealth servicemen at
296-532: A base for the successful prosecution of the air and sea war against England". On 29 November, OKW "Directive No. 9 – Instructions For Warfare Against The Economy Of The Enemy" stated that once this coastline had been secured, the Luftwaffe together with the Kriegsmarine (German Navy) was to blockade UK ports with sea mines. They were to attack shipping and warships and make air attacks on shore installations and industrial production. This directive remained in force in
370-546: A last resort once the British economy had been damaged and the Luftwaffe had full air superiority. On 2 July, OKW requested preliminary plans. In Britain, Churchill described "the great invasion scare" as "serving a very useful purpose" by "keeping every man and woman tuned to a high pitch of readiness". Historian Len Deighton stated that on 10 July Churchill advised the War Cabinet that invasion could be ignored, as it "would be
444-555: A more capable opponent than any it had previously met: a sizeable, highly coordinated, well-supplied, modern air force. The Luftwaffe's Messerschmitt Bf 109E and Bf 110C fought against the RAF's workhorse Hurricane Mk I and the less numerous Spitfire Mk I ; Hurricanes outnumbered Spitfires in RAF Fighter Command by about 2:1 when war broke out. The Bf 109E had a better climb rate and was up to 40 mph faster in level flight than
518-522: A most hazardous and suicidal operation". On 11 July, Hitler agreed with Raeder that invasion would be a last resort, and the Luftwaffe advised that gaining air superiority would take 14 to 28 days. Hitler met his army chiefs, von Brauchitsch and Halder , at the Berchtesgaden on 13 July where they presented detailed plans on the assumption that the navy would provide safe transport. Von Brauchitsch and Halder were surprised that Hitler took no interest in
592-578: A new German policy for their pathfinders. High-explosive bombs were no longer carried and were replaced by incendiaries. On this night the pathfinder force was made up of 16 Heinkel 111s, which dropped 11,520 B1 E1 incendiaries between 7:00 pm and 7:50 pm. The 15 large fires and the numerous small fires started were visible from 150 km away. The main raid was carried out by 50 Heinkel 111s and 11 Dornier 17s, and finished at 10:15 pm. Many steelworks received hits, including Hadfields, Brown Bayleys and Steel, Peech and Tozer Ltd, although
666-446: A similar proposal; when rebuffed, he told Churchill that interference with German domination would mean war. To Hitler's great annoyance, all his diplomacy failed to stop Britain from declaring war when he invaded Poland. During the fall of France, he repeatedly discussed peace efforts with his generals. When Churchill came to power, there was still wide support for Halifax, who as Foreign Secretary openly argued for peace negotiations in
740-446: A study (in 1939) on the possibility of an invasion of Britain and concluded that it also required naval superiority. The Luftwaffe said invasion could only be "the final act in an already victorious war." Hitler first discussed the idea of an invasion at a 21 May 1940 meeting with Grand Admiral Erich Raeder, who stressed the difficulties and his own preference for a blockade. OKW Chief of Staff Jodl's 30 June report described invasion as
814-630: A surprise to the Jagdwaffe , although the German pilots retained a strong belief that the 109 was the superior fighter. The British fighters were equipped with eight Browning .303 (7.7mm) machine guns while most Bf 109Es had two 20mm cannons supplemented by two 7.92mm machine guns. The 20mm cannons were much more effective than the .303; during the Battle it was not unknown for damaged German bombers to limp home with up to two hundred .303 hits. At some altitudes,
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#1732848054136888-642: A waste of strategic effort. The defeat of France in June 1940 introduced the prospect for the first time of independent air action against Britain. A July Fliegercorps I paper asserted that Germany was by definition an air power: "Its chief weapon against England is the Air Force, then the Navy, followed by the landing forces and the Army." In 1940, the Luftwaffe would undertake a " strategic offensive ... on its own and independent of
962-573: Is a cemetery in the City of Sheffield , England, which opened in May 1881 and was originally called Intake Road Cemetery. Covering 100 acres (40 ha), it is the largest of the municipal cemeteries in Sheffield and contains the head office for Bereavement Services in Sheffield. The cemetery contains Sheffield Crematorium, whose first cremation was on 24 April 1905. In 2002 it was designated by Historic England as
1036-582: Is also defeated, the fundamental conditions for a successful war against England will have been secured. England can then be blockaded from Western France at close quarters by the Air Force, while the Navy with its submarines extend the range of the blockade." When war commenced, Hitler and the OKW ( Oberkommando der Wehrmacht or "High Command of the Armed Forces") issued a series of directives ordering, planning and stating strategic objectives. "Directive No. 1 for
1110-533: Is derived from the This was their finest hour speech delivered by Winston Churchill in the House of Commons on 18 June, more than three weeks prior to the generally accepted date for the start of the battle: ... What General Weygand called the Battle of France is over. I expect that the battle of Britain is about to begin. Upon this battle depends the survival of Christian civilization. Upon it depends our own British life and
1184-563: Is reserved to me. Attacks on the English homeland are to be prepared, bearing in mind that inconclusive results with insufficient forces are to be avoided in all circumstances. Both France and the UK declared war on Germany; on 9 October, Hitler's "Directive No. 6" planned the offensive to defeat these allies and "win as much territory as possible in the Netherlands, Belgium, and northern France to serve as
1258-521: The Luftwaffe was formally announced, with Walther Wever as Chief of Staff. The 1935 Luftwaffe doctrine for "Conduct of Air War" ( Luftkriegführung ) set air power within the overall military strategy, with critical tasks of attaining (local and temporary) air superiority and providing battlefield support for army and naval forces. Strategic bombing of industries and transport could be decisive longer-term options, dependent on opportunity or preparations by
1332-565: The 110 was faster than the Hurricane and almost as fast as the Spitfire, its lack of manoeuvrability and acceleration meant that it was a failure as a long-range escort fighter. On 13 and 15 August, thirteen and thirty aircraft were lost, the equivalent of an entire Gruppe , and the type's worst losses during the campaign. This trend continued with a further eight and fifteen lost on 16 and 17 August. City Road Cemetery The City Road Cemetery
1406-574: The Battle period he sought neutrality or a peace treaty with Britain. In a secret conference on 23 May 1939, Hitler set out his rather contradictory strategy that an attack on Poland was essential and "will only be successful if the Western Powers keep out of it. If this is impossible, then it will be better to attack in the West and to settle Poland at the same time" with a surprise attack. "If Holland and Belgium are successfully occupied and held, and if France
1480-584: The Bf 109 could outclimb the British fighter. It could also engage in vertical-plane negative- g manoeuvres without the engine cutting out because its DB 601 engine used fuel injection ; this allowed the 109 to dive away from attackers more readily than the carburettor -equipped Merlin. On the other hand, the Bf 109E had a much larger turning circle than its two foes. In general, though, as Alfred Price noted in The Spitfire Story : ... the differences between
1554-527: The British Foreign Secretary , Lord Halifax , and certain elements of the British public favoured a negotiated peace with an ascendant Germany, Churchill and a majority of his Cabinet refused to consider an armistice. Instead, Churchill used his skilful rhetoric to harden public opinion against capitulation and prepare the British for a long war. The Battle of Britain has the unusual distinction that it gained its name before being fought. The name
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#17328480541361628-518: The British trade". Instead of the Wehrmacht attacking the French, the Luftwaffe with naval assistance was to block imports to Britain and attack seaports. "Should the enemy resort to terror measures – for example, to attack our towns in western Germany" they could retaliate by bombing industrial centres and London. Parts of this appeared on 29 November in "Directive No. 9" as future actions once
1702-542: The Channel. In September, RAF Bomber Command night raids disrupted the German preparation of converted barges, and the Luftwaffe's failure to overwhelm the RAF forced Hitler to postpone and eventually cancel Operation Sea Lion. The Luftwaffe proved unable to sustain daylight raids, but their continued night-bombing operations on Britain became known as the Blitz. Germany's failure to destroy Britain's air defences and force it out of
1776-618: The Conduct of the War", dated 31 August 1939, instructed the invasion of Poland on 1 September as planned . Potentially, Luftwaffe "operations against England" were to: dislocate English imports, the armaments industry, and the transport of troops to France. Any favourable opportunity of an effective attack on concentrated units of the English Navy, particularly on battleships or aircraft carriers, will be exploited. The decision regarding attacks on London
1850-455: The French surrender on 22 June 1940, Hitler mainly focused his energies on the possibility of invading the Soviet Union . He believed that the British, defeated on the continent and without European allies, would quickly come to terms. The Germans were so convinced of an imminent armistice that they began constructing street decorations for the homecoming parades of victorious troops. Although
1924-698: The Low Countries in the Battle of France , leaving Britain to face the threat of invasion by sea. The German high command recognised the difficulties of a seaborne attack while the Royal Navy controlled the English Channel and the North Sea . On 16 July, Hitler ordered the preparation of Operation Sea Lion as a potential amphibious and airborne assault on Britain, to follow once the Luftwaffe had air superiority over
1998-403: The Luftwaffe lacked the means to do much damage to Britain's war economy beyond laying naval mines . Joseph Schmid , in charge of Luftwaffe intelligence, presented a report on 22 November 1939, stating that, "Of all Germany's possible enemies, Britain is the most dangerous." This "Proposal for the Conduct of Air Warfare" argued for a counter to the British blockade and said "Key is to paralyse
2072-604: The Luftwaffe mainly targeting coastal-shipping convoys, as well as ports and shipping centres such as Portsmouth . On 1 August, the Luftwaffe was directed to achieve air superiority over the RAF, with the aim of incapacitating RAF Fighter Command ; 12 days later , it shifted the attacks to RAF airfields and infrastructure . As the battle progressed, the Luftwaffe also targeted factories involved in aircraft production and strategic infrastructure. Eventually, it employed terror bombing on areas of political significance and on civilians. The Germans had rapidly overwhelmed France and
2146-830: The Minister in charge of Defence Coordination, Sir Thomas Inskip , sided with Dowding that "The role of our air force is not an early knock-out blow" but rather was "to prevent the Germans from knocking us out" and fighter squadrons were just as necessary as bomber squadrons. The Spanish Civil War (1936–1939) gave the Luftwaffe Condor Legion the opportunity to test air fighting tactics with their new aeroplanes. Wolfram von Richthofen became an exponent of air power providing ground support to other services. The difficulty of accurately hitting targets prompted Ernst Udet to require that all new bombers had to be dive bombers , and led to
2220-510: The OKW reviewed the potential for an air- and seaborne invasion of Britain: the Kriegsmarine was faced with the threat the Royal Navy's larger Home Fleet posed to a crossing of the English Channel , and together with the German Army viewed control of airspace as a necessary precondition. The German navy thought air superiority alone was insufficient; the German naval staff had already produced
2294-473: The Rotol (constant speed propeller) equipped Hurricane Mk I, depending on altitude. The speed and climb disparity with the original non-Rotol Hurricane was even greater. By mid-1940, all RAF Spitfire and Hurricane fighter squadrons converted to 100 octane aviation fuel, which allowed their Merlin engines to generate significantly more power and an approximately 30 mph increase in speed at low altitudes through
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2368-529: The Soviet Union. Erhard Milch organised rapid expansion, and following the 1933 Nazi seizure of power , his subordinate Robert Knauss formulated a deterrence theory incorporating Douhet's ideas and Tirpitz's "risk theory" . This proposed a fleet of heavy bombers to deter a preventive attack by France and Poland before Germany could fully rearm. A 1933–34 war game indicated a need for fighters and anti-aircraft protection as well as bombers. On 1 March 1935,
2442-556: The Spitfire and the Me 109 in performance and handling were only marginal, and in a combat they were almost always surmounted by tactical considerations of which side had seen the other first, which had the advantage of sun, altitude, numbers, pilot ability, tactical situation, tactical co-ordination, amount of fuel remaining, etc. The Bf 109E was also used as a Jabo ( jagdbomber , fighter-bomber ) – the E-4/B and E-7 models could carry
2516-652: The West end of the Cathedral . At about 10:50 pm a 500 kg bomb fell on and destroyed the C&;A and Burtons buildings opposite the Marples Hotel in Fitzalan Square . At 11:44 pm, The Marples Hotel itself received a direct hit. The death toll of this incident was 78, the single biggest loss of life in the attacks. Full details of the identities of the victims and the extensive police efforts made to ensure everyone
2590-474: The abyss of a new Dark Age made more sinister, and perhaps more protracted, by the lights of a perverted science. Let us therefore brace ourselves to our duties, and so bear ourselves that, if the British Empire and its Commonwealth last for a thousand years, men will still say, "This was their finest hour". From the outset of his rise to power, Adolf Hitler expressed admiration for Britain, and throughout
2664-433: The army and navy. It could be used to overcome a stalemate, or used when only destruction of the enemy's economy would be conclusive. The list excluded bombing civilians to destroy homes or undermine morale, as that was considered a waste of strategic effort, but the doctrine allowed revenge attacks if German civilians were bombed. A revised edition was issued in 1940, and the continuing central principle of Luftwaffe doctrine
2738-506: The cemetery who died in the First World War . A Screen Wall memorial in Section Q, near the main entrance, lists those buried in graves that could not be individually marked by headstones. There are 147 burials or commemorations of servicemen and women who died in the Second World War , many in a war graves plot in Section H. The plot has a Screen Wall memorial listing servicemen buried in
2812-1023: The city soon after the raids to inspect the damage and boost morale amongst survivors. Prime Minister Winston Churchill also toured the blitzed city, speaking through loudspeakers to a 20,000-strong crowd in Town Hall Square and giving his signature 'V' for 'Victory' V sign . Operation Crucible , a play about the Sheffield Blitz by Kieran Knowles, has been performed in London, Sheffield and New York. Battle of Britain Asia-Pacific Mediterranean and Middle East Other campaigns Coups Luxembourg The Netherlands Belgium France Britain 1941–1943 1944–1945 Germany Strategic campaigns The Battle of Britain ( German : Luftschlacht um England , lit. 'air battle for England')
2886-500: The coast had been conquered. On 24 May 1940 "Directive No. 13" authorised attacks on the blockade targets, as well as retaliation for RAF bombing of industrial targets in the Ruhr. After the defeat of France, the OKW felt they had won the war, and some more pressure would persuade Britain to give in. On 30 June, the OKW Chief of Staff Alfred Jodl issued his paper setting out options: the first
2960-402: The conduct of air and sea warfare against England" issued on 1 August attempted to keep all the options open. The Luftwaffe's Adlertag campaign was to start around 5 August, subject to weather, with the aim of gaining air superiority over southern England as a necessary precondition of invasion, to give credibility to the threat and give Hitler the option of ordering the invasion. The intention
3034-439: The continent, and on 30 June the OKW Chief of Staff, Alfred Jodl , issued his review of options to increase pressure on Britain to agree to a negotiated peace. The first priority was to eliminate the RAF and gain air supremacy. Intensified air attacks against shipping and the economy could affect food supplies and civilian morale in the long term. Reprisal attacks of terror bombing had the potential to cause quicker capitulation, but
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3108-531: The continuing influence of the 1935 "Conduct of the Air War" doctrine, the main focus of the Luftwaffe command (including Göring) was in concentrating attacks to destroy enemy armed forces on the battlefield, and "blitzkrieg" close air support of the army succeeded brilliantly. They reserved strategic bombing for a stalemate situation or revenge attacks, but doubted if this could be decisive on its own and regarded bombing civilians to destroy homes or undermine morale as
3182-525: The damage was not serious enough to affect production. In total over 660 people were killed, 1,500 injured and 40,000 made homeless. 3,000 homes were demolished, with a further 3,000 badly damaged. A total of 78,000 homes received damage. Six George Medals were awarded to citizens of Sheffield for their bravery during the raids. 134 victims of the raids were buried in a communal grave in City Road Cemetery . King George VI and Queen Elizabeth toured
3256-650: The defending armies in Norway in early 1940 created a significant political crisis in Britain. In early May 1940, the Norway Debate questioned the fitness for office of the British Prime Minister Neville Chamberlain . On 10 May, the same day Winston Churchill became British Prime Minister, the Germans initiated the Battle of France with an aggressive invasion of French territory. RAF Fighter Command
3330-535: The defunct Sheffield General Cemetery and St Phillip Ward End Church Cemetery whose graves could no longer be maintained by the Commonwealth War Graves Commission . The Commission also erected a memorial, on the west side of the plot, listing 30 servicemen who were cremated at Sheffield Crematorium during the same war and it cares for 9 war graves of foreign nationalities, of which the Belgians have
3404-604: The development of the Knickebein system for night time navigation. Priority was given to producing large numbers of smaller aeroplanes, and plans for a long-range, four-engined strategic bomber were cancelled. The early stages of the Second World War saw successful German invasions on the continent, aided decisively by the air power of the Luftwaffe, which was able to establish tactical air superiority with great effectiveness. The speed with which German forces defeated most of
3478-524: The effect on morale was uncertain. On the same day, the Luftwaffe Commander-in-Chief, Hermann Göring issued his operational directive: to destroy the RAF, thus protecting German industry, and also to block overseas supplies to Britain. The German Supreme Command argued over the practicality of these options. In "Directive No. 16 – On preparations for a landing operation against England" on 16 July, Hitler required readiness by mid-August for
3552-610: The first independent strategic bombing campaign. Hitler's 1925 book Mein Kampf mostly set out his hatreds: he only admired ordinary German World War I soldiers and Britain, which he saw as an ally against communism. In 1935 Hermann Göring welcomed news that Britain, as a potential ally, was rearming. In 1936 he promised assistance to defend the British Empire, asking only a free hand in Eastern Europe, and repeated this to Lord Halifax in 1937. That year, von Ribbentrop met Churchill with
3626-469: The first phase of the Battle of Britain. It was reinforced on 24 May during the Battle of France by "Directive No. 13", which authorised the Luftwaffe "to attack the English homeland in the fullest manner, as soon as sufficient forces are available. This attack will be opened by an annihilating reprisal for English attacks on the Ruhr Basin." By the end of June 1940, Germany had defeated Britain's allies on
3700-469: The invasion plans, unlike his usual attitude toward military operations, but on 16 July he issued Directive No. 16, ordering preparations for Operation Sea Lion. The navy insisted on a narrow beachhead and an extended period for landing troops; the army rejected these plans: the Luftwaffe could begin an air attack in August. Hitler held a meeting of his army and navy chiefs on 31 July. The navy said 22 September
3774-509: The long continuity of our institutions and our Empire . The whole fury and might of the enemy must very soon be turned on us. Hitler knows that he will have to break us in this island or lose the war. If we can stand up to him, all Europe may be free and the life of the world may move forward into broad, sunlit uplands. But if we fail, then the whole world, including the United States, including all that we have known and cared for, will sink into
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#17328480541363848-516: The merger of the British army and navy air services into the Royal Air Force (RAF). Its first Chief of the Air Staff , Hugh Trenchard , was among the military strategists in the 1920s, like Giulio Douhet , who saw air warfare as a new way to overcome the bloody stalemate of trench warfare . Interception was expected to be nearly impossible, with fighter planes no faster than bombers. Their slogan
3922-515: The other services", according to an April 1944 German account of their military mission. Göring was convinced that strategic bombing could win objectives that were beyond the army and navy, and gain political advantages in the Third Reich for the Luftwaffe and himself. He expected air warfare to decisively force Britain to negotiate, as all in the OKW hoped, and the Luftwaffe took little interest in planning to support an invasion. The Luftwaffe faced
3996-425: The period of large-scale night attacks known as the Blitz , that lasted from 7 September 1940 to 11 May 1941. German historians do not follow this subdivision and regard the battle as a single campaign lasting from July 1940 to May 1941, including the Blitz. The primary objective of the German forces was to compel Britain to agree to a negotiated peace settlement . In July 1940, the air and sea blockade began, with
4070-412: The possibility of an invasion he called Operation Sea Lion , unless the British agreed to negotiations. The Luftwaffe reported that it would be ready to launch its major attack early in August. The Kriegsmarine Commander-in-Chief, Grand Admiral Erich Raeder , continued to highlight the impracticality of these plans and said sea invasion could not take place before early 1941. Hitler now argued that Britain
4144-411: The suburbs of Norton Lees and Gleadless . The first main group was made up of three waves of 36 Junkers Ju 88s and 29 Heinkel He 111s . The second group was made up of 23 Junkers 88s, 74 Heinkel 111s and 7 Dornier Do 17s . The last group was made up of 63 Junkers 88s and 35 Heinkel 111s, a total of 280 aircraft. At about 9:30 pm, a line of bombs fell on Campo Lane and Vicar Lane, demolishing
4218-566: The tradition of British diplomacy, to secure British independence without war. On 20 May, Halifax secretly requested a Swedish businessman to make contact with Göring to open negotiations. Shortly afterwards, in the May 1940 War Cabinet Crisis , Halifax argued for negotiations involving the Italians, but this was rejected by Churchill with majority support. An approach made through the Swedish ambassador on 22 June
4292-427: The use of an Emergency Boost Override . In September 1940, the more powerful Mk IIa series 1 Hurricanes started entering service in small numbers. This version was capable of a maximum speed of 342 mph (550 km/h), some 20 mph more than the original (non-Rotol) Mk I, though it was still 15 to 20 mph slower than a Bf 109 (depending on altitude). The performance of the Spitfire over Dunkirk came as
4366-441: The war was the first major German defeat in the Second World War. The Battle of Britain takes its name from the speech given by Prime Minister Winston Churchill to the House of Commons on 18 June: "What General Weygand called the 'Battle of France' is over. I expect that the Battle of Britain is about to begin." Strategic bombing during World War I introduced air attacks intended to panic civilian targets and led in 1918 to
4440-601: Was a military campaign of the Second World War , in which the Royal Air Force (RAF) and the Fleet Air Arm (FAA) of the Royal Navy defended the United Kingdom (UK) against large-scale attacks by Nazi Germany 's air force, the Luftwaffe . It was the first major military campaign fought entirely by air forces. The British officially recognise the battle's duration as being from 10 July until 31 October 1940, which overlaps
4514-614: Was also the only place in the UK at that time where 18-inch armour-piercing shells were made. Most factories were located in the East End of the city beside the River Don . Documents captured at the end of the war showed the targets for the raids included the Atlas Steelworks, Brown Bayley Steelworks, Meadowhall Iron Works, River Don Works, Darnall Wagon Works, Tinsley Park Collieries , East Hecla Works and Orgreave Coke Ovens. The full moon
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#17328480541364588-600: Was desperately short of trained pilots and aircraft. Churchill sent fighter squadrons, the Air Component of the British Expeditionary Force , to support operations in France, where the RAF suffered heavy losses. This was despite the objections of its commander Hugh Dowding that the diversion of his forces would leave home defences under-strength. After the evacuation of British and French soldiers from Dunkirk and
4662-432: Was forbidden a military air force by the 1919 Treaty of Versailles , and therefore air crew were trained by means of civilian and sport flying . Following a 1923 memorandum, the Deutsche Luft Hansa airline developed designs for aircraft such as the Junkers Ju 52 , which could carry passengers and freight, but also be readily adapted into a bomber. In 1926, the secret Lipetsk fighter-pilot school began training Germans in
4736-407: Was holding out in hope of assistance from Russia, and the Soviet Union was to be invaded by mid 1941. Göring met his air fleet commanders, and on 24 July issued "Tasks and Goals" of firstly gaining air supremacy, secondly protecting invasion forces and attacking the Royal Navy's ships. Thirdly, they were to blockade imports, bombing harbours and stores of supplies. Hitler's "Directive No. 17 – For
4810-407: Was identified can be found in the Sheffield City Archives . The deceased were later found in the cellar, a large concrete box with deep encasing floors and walls beneath the carriageway outside the Marples building. The majority of the bombs on this night fell on the city centre or residential districts, with the last bombs falling at 4:00 am. The second night of the Blitz saw the first use of
4884-410: Was on 14 December 1940, and both blitz nights were cold and clear. The German code name for the operation was Schmelztiegel ("Crucible"). On the afternoon of Thursday, 12 December, British monitoring stations detected X Verfahren (sometimes called X-Gerät ) radio beams being laid across northern England and calculated that the likely target of the coming raid would be Sheffield. The yellow alert
4958-491: Was received at 6:15 pm, followed by the purple alert at 6:45 pm. The red alert was sounded at 7:00 pm. The attack was made by three main groups of aircraft flying from airfields in northern France, including Cambrai . 13 Heinkel 111s from Kampfgruppe 100 , the German Pathfinder unit arrived over the city at 7:41 pm and dropped 16 SC50 high-explosive bombs, 1,009 B1 E1 ZA incendiaries and 10,080 B1 E1 incendiaries. The first incendiaries were dropped over
5032-421: Was received in silence, but he did not suggest negotiations and this was perceived as being effectively an ultimatum by the British government, which rejected the offer. Halifax kept trying to arrange peace until he was sent to Washington in December as ambassador, and in January 1941 Hitler expressed continued interest in negotiating peace with Britain. A May 1939 planning exercise by Luftflotte 3 found that
5106-530: Was reported to Hitler, making peace negotiations seem feasible. Throughout July, as the battle started, the Germans made wider attempts to find a diplomatic solution. On 2 July, the day the armed forces were asked to start preliminary planning for an invasion, Hitler got von Ribbentrop to draft a speech offering peace negotiations. On 19 July Hitler made this speech to the German Parliament in Berlin, appealing "to reason and common sense", and said he could "see no reason why this war should go on". His sombre conclusion
5180-402: Was that the bomber will always get through , and that the only defence was a deterrent bomber force capable of matching retaliation. Predictions were made that a bomber offensive would quickly cause thousands of deaths and civilian hysteria leading to capitulation. However, widespread pacifism following the horrors of the First World War contributed to a reluctance to provide resources. Germany
5254-546: Was that destruction of enemy armed forces was of primary importance. The RAF responded to Luftwaffe developments with its 1934 Expansion Plan A rearmament scheme, and in 1936 it was restructured into Bomber Command , Coastal Command , Training Command and Fighter Command . The last was under Hugh Dowding , who opposed the doctrine that bombers were unstoppable: the invention of radar at that time could allow early detection, and prototype monoplane fighters were significantly faster. Priorities were disputed, but in December 1937,
5328-467: Was the earliest possible date and proposed postponement until the following year, but Hitler preferred September. He then told von Brauchitsch and Halder that he would decide on the landing operation eight to fourteen days after the air attack began. On 1 August, he issued Directive No. 17 for intensified air and sea warfare, to begin with Adlertag on or after 5 August, subject to weather, keeping options open for negotiated peace or blockade and siege. Under
5402-428: Was to incapacitate the RAF so much that the UK would feel open to air attack, and would begin peace negotiations. It was also to isolate the UK and damage war production, beginning an effective blockade. Following severe Luftwaffe losses, Hitler agreed at a 14 September OKW conference that the air campaign was to intensify regardless of invasion plans. On 16 September, Göring gave the order for this change in strategy, to
5476-494: Was to increase attacks on shipping, economic targets and the RAF: air attacks and food shortages were expected to break morale and lead to capitulation. Destruction of the RAF was the first priority, and invasion would be a last resort. Göring's operational directive issued the same day ordered the destruction of the RAF to clear the way for attacks cutting off seaborne supplies to Britain. It made no mention of invasion. In November 1939,
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