World War 1 - Periods and Places
Period of conflict
For qualifying service to be recognised in World War 1 a person must have served during the period 4 August 1914 to 11 November 1918 (both dates included). For operational service to be recognised in World War 1 a person must have served during the period 4 August 1914 to 21 September 1921 (both dates included).