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.
Ferdinand II of Portugal "Dom" Ferdinand II (Portuguese: "Fernando II") (29 October 1816 – 15 December 1885) was a German prince of the House of Saxe-Coburg and Gotha-Koháry, and King of Portugal "jure uxoris" as the husband of Queen Maria II, from the birth of their son in 1837 to her death in 1853.