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Who's Who - By Country

Mata Hari Available within this section of the Who's Who area of the site are pages listing biographical entries by country.

Note that additional entries continue to be added on a fairly regular basis, thus these pages are by no means exhaustive.  At present there are more folio entries available for the larger nations at war than for others.  Over time this bias will be redressed.

In addition to the biographies presented below, click here to view contemporary photographs within the Vintage Photographs section of the site.

Country Description
AustraliaAustralia Entered the war on 4 August 1914
Austria-HungaryAustria-Hungary Entered the war on 28 July 1914
BelgiumBelgium Entered the war on 4 August 1914
BulgariaBulgaria Entered the war on 12 October 1915
CanadaCanada Entered the war on 4 August 1914
CzechoslovakiaCzechoslovakia N/A
CroatiaCroatia N/A
FranceFrance Entered the war on 3 August 1914
GermanyGermany Entered the war on 1 August 1914
GreeceGreece Entered the war on 29 June 1917
IndiaIndia Entered the war on 4 August 1914
IrelandIreland Entered the war on 4 August 1914
ItalyItaly Entered the war on 23 May 1915
JapanJapan Entered the war on 23 August 1914
NetherlandsNetherlands Neutral Power
New ZealandNew Zealand Entered the war on 4 August 1914
Ottoman EmpireOttoman Empire Entered the war on 31 October 1914
PolandPoland N/A
RomaniaRomania Entered the war on 27 August 1916
RussiaRussia Entered the war on 1 August 1914
SerbiaSerbia Entered the war on 28 July 1914
South AfricaSouth Africa Entered the war on 4 August 1914
United KingdomUnited Kingdom Entered the war on 4 August 1914
United States of AmericaUnited States of America Entered the war on 6 April 1917

Russia mobilised 12 million men during the war; France 8.4 million; Britain 8.9 million; Germany 11 million; Austria-Hungary 7.8 million; Italy 5.6 million; and the USA 4.3 million.

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