Charles IV, Holy Roman Emperor

Charles IV, born Wenceslaus, was a King of Bohemia and the first King of Bohemia to also become Holy Roman Emperor.查理四世原名瓦茨拉夫，曾担任波西米亚国王，亦是首位同时身兼神圣罗马帝国皇帝的波西米亚国王。