What is George I of Greece?
{{Infobox royalty | name = George I | image = King George of Hellenes.jpg | caption = George I in the uniform of an Admiral of the [[Royal Hellenic Navy]] | succession = [[King of the Hellenes]] | reign = 30 March 1863 – 18 March 1913<ref name=dates>Throughout George's lifetime, Greece used the [[Adoption of the Gregorian calendar#Adoption in Eastern Europe|Old Style]] [[Julian calendar]]. Unless otherwise indicated, all dates in this article are in the New Style [[Gregorian calendar]].</ref> | predecessor = [[Otto of Greece|Otto I]] | regent = {{list collapsed|title=''See list''|1=[[Dimitrios Voulgaris]]<br>[[Constantine Kanaris]]<br>[[Zinovios Valvis]]<br>[[Alexandros Koumoundouros]]<br>[[Epameinondas Deligeorgis]]<br>[[Dimitrios Voulgaris]]<br>[[Benizelos Rouphos]]<br>[[Aristeidis Moraitinis]]<br>[[Thrasyvoulos Zaimis]]<br>[[Charilaos Trikoupis]]<br>[[Constantine Kanaris]]<br>[[Theodoros Deligiannis]]<br>[[Dimitrios Valvis]]<br>[[Konstantinos Konstantopoulos]]<br>[[Sotirios Sotiropoulos]]<br>[[Nikolaos Deligiannis]]<br>[[Dimitrios Rallis]]<br>[[Alexandros Zaimis]]<br>[[Georgios Theotokis]]<br>[[Kyriakoulis Mavromichalis]]<br>[[Stephanos Dragoumis]]<br>[[Eleftherios Venizelos]]}} | reg-type = {{nowrap|Prime Ministers}} | successor = [[Constantine I of Greece|Constantine I]] | birth_name = Prince William of Schleswig-Holstein-Sonderburg-Glücksburg | birth_date = {{birth date|1845|12|24|df=yes}} | birth_place = [[Copenhagen]], [[Denmark]] | death_date = {{death date and age|1913|3|18|1845|12|24|df=yes}} | death_place = [[Thessaloniki]]<ref>At the time of the King's assassination, Thessaloniki was in occupied [[Ottoman Empire|Ottoman]] territory. The city was recognized as part of the [[Kingdom of Greece (Glücksburg)|Kingdom of Greece]] by the [[Treaty of Bucharest (1913)]] five months afterwards.</ref> | spouse = {{marriage|[[Olga Constantinovna of Russia]]|27 October 1867}} | issue = [[Constantine I of