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World War Two

Edited By:  Robert A. Guisepi

Date 2001

The Belligerents in the Second World War 

1. The Axis and Satellite States

Germany: September 1,1939                        

Japan: December 7, 1941

Italy: June 1,1940                             

Hungary: April 10, 1941                       

Slovakia: December 1.1941

Bulgaria: April 24, 1941                      

Croatia: December 14,1941

Romania: June 22, 1941                        

Albania: December 17, 1941

Finland: June 25, 1941(Previously at war       

With the U.S.S.R. Nov. 30, 1939 to March 12, 1940 

Thailand: January 25, 1942                                                           

 

H. The Coalition Against the Axis

Poland: September 1,1939                         

Czechoslovakia: December 9,941 United Kingdom: September 3, 1939   (Government-in-Exile)

France: September 3, 1939                         

Brazil: May 2, 1942

India: September 3, 1939 (Action taken by government in London)    

Mexico: May 22, 1942

Ethiopia: December 1, 1942

Australia: September 3, 1939                   

Iraq: January i6, 1943

New Zealand: September 3, 1939                        

Bolivia: April 7, 1943

Union of South Africa: September 6, 1939          

Iran: September 9, 1943

Canada: September 10, 1939                        

Colombia: November 26, 1943   

Norway: April 8-9, 1940                           

Belgium: May 10, 1940                             

Liberia: January .27, 1944                         

Luxemburg: May 10, I940                           

Ecuador: February 2., 1945                        

Netherlands: May to, 1940                         

Paraguay: February 8, 1945

Greece: October 28, 11940                         

Peru: February 11, 1945

Yugoslavia: April 6, 1941                             

Union of Soviet Socialist Republics: June 22,1941 

        (Previously invaded Poland Sept. 17,  1939; at war with Finland Nov. 30, 1939 ,  declared war on Japan August 8,     1945

Chile: February 12, I945                          

Venezuela: February 14, 1945  

Uruguay: February 22, 1945

United States: December 7, I941                   

Turkey: February 23, 1945

Philippine Commonwealth: December7, 1941      

Egypt: February 26, 1945

Panama: December 7, 1941                      

Syria: February 26, 1945

Costa Rica: December 8, 1941                      

Lebanon: February7,1945                           

Dominican Republic: December 8, 1941               

Saudi Arabia: March 1, 1945

Nicaragua: December 8, 1941                       

Argentina: March 27, I945

Salvador: December 8, 1941                                                        

Honduras: December 8, 1941                        

Mongolian People's Republic: August 9, 1945       

Guatemala: December 9, 1941                               

China: December 9, 1941 (Chinese-Japanese (begun July 7, 1937)

 

 

111. Axis satellites that subsequently declared war against the Axis

 

Italy: October 13, 1943                           

Finland: September i5, I944

Romania: August 24, 1944                          

San Marino: September 21,19

Bulgaria: September 8, 1944                   

Hungary: January 2o, 1945

 

* From Twentieth Century Europe, by C. E. Black and E. C. Helmreich. Copyright 1950 by Alfred A. Knopf, Inc. Reprinted by permission of the publisher. Compiled from Katherine E. Crane,"Status of Countries in Relation to the War, August 12, 1945," Department of State Bulletin 13 (1945),230-241; Royal Institute of International Affairs, Chronology of the Second World War (London, 1947).