Battle of Belgium Battle of Belgium The Battle of Belgium or Belgian Campaign, often referred to within Belgium as the 18 Days' Campaign (, ), formed part of the greater Battle of France, an offensive campaign by Germany during the Second World War. It took place over 18 days in May 1940 and ended with the German occupation of Belgium following the surrender of the Belgian Army. On 10 May 1940, Germany invaded Luxembourg, the Netherlands, and Belgium under the operational plan "Fall Gelb" (Case Yellow). The Allied armies attempted to halt the German Army in Belgium, believing it to be the main
Catholic Church and Nazi Germany the Vatican that the Germans planned to invade France through the Netherlands and Belgium on May 10. On May 7, Alfred Jodl noted in his diary that the Germans knew the Belgian envoy to the Vatican had been tipped off, and the Fuehrer was greatly agitated by the danger of treachery. Following the Fall of France, peace overtures continued to emanate from the Vatican as well as Sweden and the United States, to which Churchill responded resolutely that Germany would first have to free its conquered territories. In Rome in 1942, US envoy Myron C. Taylor, thanked the Holy See