sentences:  German is the least prevalent official language in Belgium, spoken natively by less than 1% of the population.The German-speaking Community of Belgium numbers 77,000, residing in an area of Belgium that was ceded by the former German Empire as part of the Treaty of Versailles, which concluded World War I.In 1940, Nazi Germany re-annexed the region following its invasion of Belgium during World War II; after the war it was returned to Belgium.