Germany War II in Europe. In response to Hitler's actions, two days later, on 3 September, after a British ultimatum to Germany to cease military operations was ignored, Britain and France declared war on Germany. In the spring of 1940, Germany conquered Denmark and Norway, the Netherlands, Belgium, Luxembourg, and France forcing the French government to sign an armistice after German troops occupied most of the country. The British repelled German air attacks in the Battle of Britain in the same year. In 1941, German troops invaded Yugoslavia, Greece and the Soviet Union. By 1942, Germany and other Axis powers controlled
History of Belgium empire in the Belgian Congo, which the government took over after a major scandal in 1908. Belgium was neutral but its strategic location as a pathway to France made it an invasion target for Germany in 1914 and 1940. Conditions under the occupation were severe. In the postwar period Belgium was a leader in European unification, as a founding member of what has become the European Union. Brussels is now host to the headquarters of NATO and is the "de facto" capital of the European Union. The colonies became independent in the early 1960s. Politically the country was once polarized