Abdication of Wilhelm II
Kaiser Wilhelm II abdicated as German Emperor and King of Prussia in November 1918. The abdication was announced on 9 November by Prince Maximilian of Baden and was formally enacted by Wilhelm's written statement on 28 November, made while in exile in Amerongen, the Netherlands. This ended the House of Hohenzollern's 500-year rule over Prussia and its predecessor state, Brandenburg. Wilhelm ruled Germany and Prussia from 15 June 1888 through 9 November 1918, when he went into exile. Following the abdication statement and German Revolution of 1918–19, the German nobility as a legally defined class was abolished. On promulgation of the Weimar Constitution on 11 August 1919, all Germans were declared equal before the law. Ruling princes of the constituent states of Germany also had to give up their monarchical titles and domains, of which there were 22. Of these princely heads of state, four held the title of king (König) (the kings of Prussia, Bavaria, Saxony, and Württemberg), six held the title of grand duke (Großherzog), five held the title of duke (Herzog), and seven held the title prince (i.e., sovereign prince, Fürst).