»A Prussian Diplomat in Munich. Count Georg von Werthern« Count G. Werthern was Prussian envoy in Munich from 1867 to 1888. He occupied the most important diplomatic post of the Bismarck era within the newly founded German Empire. The documents published here comprise extracts from his diaries and his secret correspondence with Bismarck. They reveal hitherto unknown details about King Louis II of Bavaria (»the mad king«), his conduct during German unification in 1870/71 and the mysterious circumstances of his death in Lake Starnberg on June 13, 1886.