希腊国王乔治一世（克里斯蒂安·格奥尔格，出生丹麦的石勒苏益格-荷尔斯泰因-森讷堡-格吕克斯堡家族）他的妻子是尼古拉一世的孙女（尼古拉一世次子康斯坦丁大公的女儿）奥尔嘉·康斯坦丁诺芙娜（Ольга Константиновна）女大公。 30 March 1863 – Danish prince Wilhelm Georg is chosen as King George of Greece. He was King of Greece as George I until his assassination in 1913.