World War One Quick Facts Dates: August 1914 to 11 November 1918 Combatant countries: Armenia, Australia, Austria-Hungary, Belgium, Bulgaria, Canada, France, Finland, Germany, Greece, Italy, Japan, Mexico, Netherlands, New Zealand, Ottoman Empire (Turkey), Romania, Russia, Serbia, South Africa, United Kingdom and United States of America Australian contribution: 331,814 men or around 38% of the elligible male population served in WW1. Total Australians casualties: 60,000 killed, 156,000 wounded, missing or captured New Zealand contribution: 124,000 men or or around 45% of the eligible male population served in WW1. Total New Zealand casualties: 16,130 killed, 40,750 wounded, missing or captured. List of Commonwealth War Graves Memorials in Belgium and France |