22 avr. 1915 - -------------------------------------------------Second Battle of Ypres-------------------------------------------------
-Involved: Belgium, France, Britain, British Raj,
Union of South Africa, Canada, and Germany
-No Winners (Deadly Stalemate)
-First Mass Use of Poison Gas by Germany
-Fought in Ypres, Belgium
*April 22, 1915 - May 15, 1915*