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
Belgium in World War I Belgium also received a small slice of territory in the east of the country (known as Eupen-Malmedy) from Germany, which remains part of the country to this day. Its demands for a slice of Zeeland in the Netherlands (which had remained neutral during the conflict), were rejected and led to ill-will. Britain was willing to guarantee Belgian borders only if it committed to neutrality, which Albert rejected. Instead, Belgium became a junior partner with France in an occupation of part of Germany under a 1920 Treaty. As outlined in the Treaty of Versailles, Belgium was also given a League of