All holders of this office were members of the Hohenzollern dynasty.
One man with this non-religious title died from larynx cancer after only 99 days in this office during the Year of the Three of them. The final holder of this political office said, "You English are mad, mad, mad as March hares!" for an interview with the Daily Telegraph. One holder of this office called his cousin, Nicholas II, "Nicky" in a series of correspondences. Frederick III held this office in 1888. The first man to hold this office declared it at the Palace of Versailles in 1871 during a war fought between his country and France. All holders of this office were members of the Hohenzollern dynasty. For 10 points, give this title held by Wilhelm I and II, the emperors of Germany.
One man with this non-religious title died from larynx cancer after only 99 days in this office during the Year of the Three of them.
Kaiser [or Emperor of Germany before mention]