He succeeded to the throne of Greece March 1913 following his father 's assassination .
Constantijn I van Griekenland -- Constantine I was King of Greece from 1913 to 1917 and from 1920 to 1922 .
Constantine I succeeded to the throne of Greece March 1913 following Constantine I 's father 's assassination .
Constantijn I van Griekenland -- Constantine I was King of Greece from 1913 to 1917 and from 1920 to 1922 .