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The Battle of the Netherlands ((オランダ語:Slag om Nederland)) was part of Case Yellow ((ドイツ語:Fall Gelb)), the German invasion of the Low Countries (Belgium, Luxembourg, and the Netherlands) and France during World War II. The battle lasted from 10 May 1940 until the main Dutch forces surrendered on the 14th. Dutch troops in the province of Zealand continued to resist the ''Wehrmacht'' until 17 May when Germany completed its occupation of the whole nation. The Battle of the Netherlands saw one of the first major uses of paratroopers to occupy crucial targets prior to ground troops reaching the area. The German ''Luftwaffe'' utilised paratroopers in the capture of several major airfields in the Netherlands in and around key cities such as Rotterdam and The Hague in order to quickly overrun the nation and immobilise Dutch forces. The battle ended soon after the devastating bombing of Rotterdam by the German Luftwaffe and the subsequent threat by the Germans to bomb other large Dutch cities if Dutch forces refused to surrender. The Dutch General Staff knew it could not stop the bombers and surrendered in order to prevent other cities from suffering the same fate. The Netherlands remained under German occupation until 1945, when the last Dutch territory was liberated. ==Background== Britain and France declared war on Germany in 1939, following the German invasion of Poland, but no major land operations occurred in Western Europe during the period known as the Phoney War in the winter of 1939–1940. During this time, the British and French built up their forces in expectation of a long war, and the Germans completed their conquest of Poland.〔Shirer (1960), p. 633〕 On 9 October, Adolf Hitler ordered plans to be made for an invasion of the Low Countries, to use them as a base against Great Britain and to pre-empt a similar attack by the Allied forces, which could threaten the vital Ruhr Area.〔Frieser (2005), p. 74〕 The Dutch were ill-prepared to resist such an invasion. When Hitler came to power, the Dutch had begun to re-arm, but more slowly than France or Belgium; only in 1936 did the defence budget start to be gradually increased.〔Amersfoort (2005), p. 77〕 Successive Dutch governments tended to avoid openly identifying Germany as an acute military threat. Partly this was caused by a wish not to antagonise a vital trade partner,〔De Jong (1969), p. 438〕 even to the point of repressing criticism of Nazi policies;〔De Jong (1969), p. 506〕 partly it was made inevitable by a policy of strict budgetary limits with which the conservative Dutch governments tried in vain to fight the Great Depression, which hit Dutch society particularly hard.〔Amersfoort (2005), p. 67〕 Hendrikus Colijn, prime minister between 1933 and 1939, was personally convinced Germany would not violate Dutch neutrality;〔De Jong (1969), p. 541〕 senior officers made no effort to mobilise public opinion in favour of improving military defence.〔De Jong (1969), p. 542〕 International tensions grew in the late 1930s. Crises were caused by the German occupation of the Rhineland in 1936; the ''Anschluss'' and Sudeten crisis of 1938; and the German occupation of Bohemia and Moravia and the Italian invasion of Albania in the spring of 1939. These events forced the Dutch government to exercise greater vigilance, but they limited their reaction as much as they could. The most important measure was a partial mobilisation of 100,000 men in April 1939.〔De Jong (1969), p. 570〕 After the German invasion of Poland in September 1939 and the ensuing outbreak of the Second World War, the Netherlands hoped to remain neutral, as they had done during the First World War 25 years earlier. To ensure this neutrality, the Dutch army was mobilised from 24 August and entrenched.〔De Jong (1969), p. 642〕 Large sums (almost 900 million guilders) were spent on defence.〔De Jong (1969b), p. 363〕 It proved very difficult to obtain new matériel in wartime, however, especially as the Dutch had ordered some of their new equipment from Germany, which deliberately delayed deliveries.〔Amersfoort (2005), p. 78〕 Moreover, a considerable part of the funds were intended for the Dutch East Indies (now Indonesia), much of it related to a plan to build three battlecruisers.〔De Jong (1969), p. 548〕 The strategic position of the Low Countries, located between France and Germany on the uncovered flanks of their fortification lines, made the area a logical route for an offensive by either side. In a 20 January 1940 radio speech, Winston Churchill tried to convince them not to wait for an inevitable German attack, but to join the Anglo-French Entente.〔De Jong (1969b), p. 129〕 Both the Belgians and Dutch refused, even though the German attack plans had fallen into Belgian hands after a German aircraft crash in January 1940 in what became known as the Mechelen Incident.〔De Jong (1969b), pp. 203–208〕 The French supreme command considered violating the neutrality of the Low Countries if they had not joined the Anglo-French coalition before the planned large Entente offensive in the summer of 1941, but the French Cabinet, fearing a negative public reaction, vetoed the idea. Kept into consideration was a plan to invade if Germany attacked the Netherlands alone, necessitating an Entente advance through Belgium, or if the Netherlands assisted the enemy by tolerating a German advance into Belgium through the southern part of their territory, both possibilities discussed as part of the ''hypothèse Hollande''.〔Amersfoort (2005), p. 92〕 The Dutch government never officially formulated a policy on how to act in case of either contingency; the majority of ministers preferred to resist an attack, a minority and Queen Wilhelmina of the Netherlands refused to become a German ally whatever the circumstances.〔De Jong (1969b), p. 143〕 The Dutch tried on several occasions to act as an intermediary to reach a negotiated peace settlement between the Entente and Germany.〔De Jong (1969b), p. 144〕 After the German invasion of Norway and Denmark, followed by a warning by the new Japanese naval attaché Captain Tadashi Meada that a German attack on the Netherlands was certain,〔De Jong (1969b), p. 254〕 it became clear to the Dutch military that staying out of the conflict might prove impossible. They started to fully prepare for war, both mentally and physically. Dutch border troops were put on greater alert.〔De Jong (1969b), p. 251〕 Reports of the presumed actions of a Fifth Column in Scandinavia caused widespread fears that the Netherlands too had been infiltrated by German agents assisted by traitors.〔De Jong (1969b), pp. 254–256〕 Countermeasures were taken against a possible assault on airfields and ports.〔De Jong (1969b), pp. 256–258〕 On 19 April a state of emergency was declared.〔De Jong (1969b), p. 258〕 However, most civilians still cherished the illusion that their country might be spared,〔De Jong (1969b), p. 392〕 an attitude that after the war has been described as a state of denial.〔De Jong (1969b), p. 393〕 The Dutch hoped that the restrained policy of the Entente and Central Powers during the First World War might be repeated and tried to avoid the attention of the Great Powers and a war in which they feared a loss of human life comparable to that of the previous conflict. On 10 April Britain and France repeated their request that the Dutch enter the war on their side, but were again refused.〔De Jong (1969b), p. 249〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of the Netherlands」の詳細全文を読む スポンサード リンク
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