When was the king who was the subject of Siegfried Obermeier's "The Secret Diaries of Ludwig II of Bavaria" born?
Ludwig II of Bavaria Ludwig II (German: "Ludwig Otto Friedrich Wilhelm" ; English: Louis Otto Frederick William ; 25 August 1845 – 13 June 1886) was King of Bavaria from 1864 until his death in 1886. He is sometimes called the Swan King, Mad King Ludwig or der Märchenkönig (the 'Fairy Tale King'). He also held the titles of Count Palatine of the Rhine, Duke of Bavaria, Duke of Franconia, and Duke in Swabia.
Frederick William I of Prussia Frederick William I (German: "Friedrich Wilhelm I" ) (14 August 1688 – 31 May 1740), known as the 'Soldier King,' was the King in Prussia and Elector of Brandenburg from 1713 until his death, as well as the father of Frederick the Great. He was in personal union the sovereign prince of the principality of Neuchâtel.