History IGCSE

France

25 October 1906 - 24 July 1909
16 November 1917 - 20 January 1920

Britain

1 March 1916 - 22 October 1922

USA

4 March 1913 - 4 March 1921

Germany

28 June 1919

Austria

10 September 1919

Bulgaria

27 November 1919

Hungary

4 June 1920

Turkey

10 August 1920
24 June 1923