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
Locked Out of Heaven debuted at number 32 in Denmark, becoming Mars' fifth top-fifteen single in the country and peaked at number two, spending one week. "Locked Out of Heaven" peaked at number seven in Germany. "Locked Out of Heaven" peaked at number eight in Norway and Switzerland, six in Sweden, and 11 in Finland. "Locked Out of Heaven" entered the New Zealand Singles Chart at number 23 on October 15, 2012. After five weeks the song jumped in the top ten, to number eight, remaining for two weeks, before climbing to number six. Eventually, the song peaked at number four after four weeks.