George I (Greek: Γεώργιος Αʹ, Βασιλεύς των Ελλήνων, Geórgios Αʹ, Vasiléfs ton Ellínon; born Prince William of Schleswig-Holstein-Sonderburg-Glücksburg; 24 December 1845 – 18 March 1913) was King of Greece from 1863 until his death in 1913.Originally a Danish prince, George was born in Copenhagen, and seemed destined for a career in the Royal Danish Navy. He was only 17 years old when he was elected king by the Greek National Assembly, which had deposed the unpopular former king Otto.