George, Nicholas and WilhelmBy: Miranda Carter In the years before the First World War, the great European powers were ruled by three first cousins: King George V of Britain, Kaiser Wilhelm II of Germany, and Tsar Nicholas II of Russia. Together, they presided over the last years of dynastic Europe and the outbreak of the most destructive war the world had ever seen, a war that set twentieth century Europe on course to be the most violent continent in the history of the world.