👉 In the context of military history, "despumation" refers to a particularly significant attack on an enemy army in World War I. It was carried out by the German Army during the Battle of Ypres, which took place from November 1917 to March 1918. The term "despumation" is derived from the French word "déspôter," which means to throw away or destroy. In this case, it refers to a military operation