George I was King of Greece from 30 March 1863 until his assassination on 18 March 1913.
George I c. 1912
Portrait by August Schiøtt, 1853
Prince William and his family, 1862: (back row left to right) Frederick, Christian, William; (front row left to right) Dagmar, Valdemar, Louise, Thyra, Alexandra
Photograph by Southwell Bros., 1863
Constantine I was King of Greece from 18 March 1913 to 11 June 1917 and again from 19 December 1920 to 27 September 1922. The eldest son of George I of Greece, he succeeded to the throne following his
Constantine I in 1921
Constantine as member of the international committee for organization of the 1896 Summer Olympics.
King Constantine I during the Second Balkan War
Constantine with George I and the Greek Army enter Thessaloniki