30 year war

Events

Sep 6, 1914 - Sep 10, 1914
Feb 19, 1915 - Jan 9, 1916
Feb 21, 1916 - Dec 18, 1916
May 31, 1916 - Jun 1, 1916
Jul 31, 1917 - Nov 10, 1917
Oct 24, 1917 - Nov 19, 1917
Nov 20, 1917 - Dec 6, 1917