World War II (also known as the Second World War) was the global war that lasted from 1939 to 1945.
Date: September, 1 1939 - September, 2 1945
Location: Global
Result: Allied victory
Participants 1: Allied Powers
Participants 2: Axis Powers
Allied Powers before Attack on Pearl Harbour
1. Poland
2. France
3. Algeria
4. Cameroon
5. Togo
6. United Kingdom
7. Zimbabwe
8. Zambia
9. Botswana
10. Swaziland
11. Madagascar
12. Somaliland
13. Nigeria
14. Malaysia
15. Dominica
16. Sierra Leone
17. Trinidad and Tobago
18. Saint Helena
19. Antigua
20. Barbuda
21. Uganda
22. Samoa
23. North and South Papau New Guinea
24. Réunion
25. Mauritius
26. Niue
27. South Morocco
28. French Guiana
29. Guyana
30. Belize
31. Kuwait
32. Jamaica
33. Cayman Islands
34. Turks and Caicos Islands
35. Bahamas
36. Saint Lucia
37. Hong Kong
38. United Arab Emirates
39. Nepal
40. Sri Lanka
41. India
42. Pakistan
43. Bangladesh
44. Israel
45. Syria
46. Oman
47. South Yemen
48. Jordan
49. Tunisia
50. Niger
51. Gabon
52. Chad
53. Kenya
54. Tanzania
55. Sudan
56. South Sudan
57. French Colonial African Islands
58. Gambia
59. Falkland Islands
60. Montserrat
61. Anguilla
62. Guinea
63. Egypt
64. Bahamas
65. Swaziland
66. Lesotho
67. Grenada
68. Maldives
69. South Africa
70. Namibia
71. Tonga
72. Fiji
73. New Zealand
74. Canada
75. Australia
76. French Polynesia
77. Guadeloupe
78. Martinique
79. Saint Martin
80. Bermuda
81. Rwanda
81. China
82. Singapore
83. Belgium
84. Congo
85. Democratic Republic of Congo
86. Ivory Coast
87. Ghana
88. Saint Kitts and Nevis
89. British Colonial African Islands
90. Netherlands
91. Macedonia (as part of Yugoslavia)
92. Vojvodina (as part of Yugoslavia)
93. Slovenia (as part of Yugoslavia)
94. Croatia (as part of Yugoslavia)
95. Serbia (as part of Yugoslavia)
96. Bosnia and Herzegovina (as part of Yugoslavia)
97. Kosovo (as part of Yugoslavia)
98. Spain
99. Portugal
100. Sweden
101. Switzerland
102. Afghanistan
103. Western Sahara
104. North Morocco
105. Canary Islands
106. Malawi
107. Brunei
108. Dutch Caribbean Islands
109. British Virgin Islands
110. Portuguese African Islands
111. Spanish Virgin Islands
112. Suriname
113. Indonesia
114 Vietnam
115. Laos
116. Cambodia
117. Myanmar (Burma)
118. Vanuatu
119. Equalatorial Guinea
120. Barbados
121. Burundi
122. Corsica
123. Greenland
124. Gibraltar
125. Andorra
126. Republic of Ireland
127. Channel Islands
128. North Yemen
129. Sardinia
130. Iraq
131. Czech Republic (as part of Czechoslovakia)
132. Slovakia (as part of Czechoslovakia)
133. Ethiopia
134. Eritrea
135. Angola
136. Mozambique
137. Mongolia
138. Solomon Islands
139. Soviet Union (Russia, Estonia, Latvia, Ukraine, Turkmenistan, Kazakstan, Uzbekistan, Turkmenistan, Belarus, Armenia, Georgia, Kyrgyzstan, Moldova)
140. Portuguese territories in China
141. East Timor
142. New Caledonia
143. Denmark
144. Faroe Islands
145. Iceland
146. Senegal
147. Isle of Man
148. New Foundland
149. Tuvalu
150. São Tomè and Príncipe
151. Aruba
152. Bonaire
153. Curaçao
154. North Sakhalin
155. Norway
156. Seychelles
157. Mali
158. Mauritania
159. Saint Vincent and the Grenadines
160. Central African Republic
162. Burkina Faso
163. Cape Verde
164. Djibouti
165. Cyprus
166. Other British Caribbean Island
167. Malta
168. Montenegro (as part of Yugoslavia)
169. Liechtenstein
170. Bhutan
171. Bahrain
172. Vatican City
173. Nauru
174. Azerbaijan
175. Korea
Allied Powers after Attack on Pearl Harbour
1. United States of America
2. Cuba
3. Haiti
4. Dominican Republic
5. Honduras
6. Nicaragua
7. American Samoa
8. Panama
9. Costa Rica
10. El Salvador
11. Brazil
12. Mexico
13. US Virgin Islands
14. Philippines
15. Bolivia
16. Italy (after switching sides from Axis Powers to Allied Powers)
17. Libya (after switching sides from Axis Powers to Allied Powers)
18. Italian Asian colonies (after switching sides to Allied Powers)
19. Finland (after switching sides from Axis Powers to Allied Powers)
20. Romania (after switching sides from Axis Powers to Allied Powers)
21. Lithuania (after switching sides from Axis Powers to Allied Powers)
22. Albania (after switching sides Axis Powers to Allied Powers)
23. Palau
24. Federated States of Micronesia
25. Guam
26. Saipan
27. Northern Mariana Islands
28. Marshall Islands
28. Caroline Islands
29. Coral Island Territories
30. Hungary (after switching sides from Axis Powers to Allied Powers)
31. Bulgaria (after switching sides from Axis Powers to Allied Powers)
32. Iran
33. Saudi Arabia
34. Turkey
35. Lebanon (after becoming independent from France)
36. Liberia
37. Puerto Rico
38. Venezuela
39. Paraguay
40. Uruguay
41. Argentina
42. Chile
43. Columbia
44. Easter Island
45. Ecuador
46. Peru
47. Manchuria (after being conquered by the Soviet Union and was forced to switch from Axis Powers to Allied Powers)
48. South Sakhalin (after switching sides from Axis Powers to Allied Powers)
49. San Marino
50. Vatican City
51. Italian Somalia (after switching sides from Axis Powers to Allied Powers)
52. Hawaii
53. Alaska
53. Austria (conquered by Allies and was occupied)
54. Allied-occupied Germany
Axis Powers
1. Nazi Germany
2. Japan
3. Thailand
4. Taiwan
5. German-occupied Czechoslovakia
6. Austria
Co belligerent
Finland
Slovakia
Italy
Romania
Lithuania
Czech Republic
Albania
Manchuria
Kuril Islands
South Sakhalin
Japanese-occupied Korea
Declarations of War
September, 1 1939: Poland declared war on Germany and Slovakia in response of Nazi slaughter of European Jews.
September 2 1939: Czech Republic and Slovakia (as parts of Czechoslovakia) declared war on Germany.
September, 3 1939: France, Algeria, Tunisia, Réunion, India, Pakistan, Bangladesh, Sri Lanka, Laos, Vietnam, Cambodia, United Kingdom, Antigua, Botswana, Nigeria, Gambia, Jamaica, Kuwait, French Colonial African Islands, Comoros, Saint Helena and other British African Islands, Zimbabwe, Bahamas, Turks and Caicos Islands, Nepal, Tuvalu, Kenya, Tanzania, Israel, Gabon, Zambia, Barbuda, Tuvalu, Solomon Islands, New Guinea, Samoa, Niue, Dominica, Saint Lucia, Cameroon, British Somaliland, Niger, Togo, Sudan, South Sudan, Montserrat, Anguilla, Mali, Mauritania, South Morocco, Guadeloupe, Uganda, Kiribati, Senegal, Martinique, Syria, Saint Vincent and the Grenadines, Grenada, Trinidad and Tobago, Myanmar (Burma), Cyprus, Rwanda, Ivory Coast, Barbados, Bermuda, Comoros, Mauritius, Other British Caribbean Islands, Chad, Egypt, British Virgin Islands, Djibouti, Malaysia, Singapore, Hong Kong, Malta, Madagascar, Qatar, United Arab Emirates, Sierra Leone, Oman, South Yemen, Swaziland, Guyana, French Guiana, Sardinia, Vanuatu, Saint Kitts and Nevis, Bhutan, Bahrain, Vietnam, Cambodia declared war on Germany.
September, 4 1939: New Guinea declared war on Germany
September, 5 1939: China and Korea declared war on Japan, Thailand, Japanese-occupied territories of China and Korea and Taiwan
September, 6 1939: South Africa and Namibia declared war on Germany.
September, 7 1939: Tonga declared war on Germany
September, 8 1939: Fiji declared war on Germany
September, 9 1939: New Zealand declared war on Germany
September, 10 1939: Canada declared war on Germany
September, 11 1939: Australia declared war on Germany
September, 12 1939: Papua New Guinea declared war on Germany
September, 20 1939: New Foundland declared war on Germany
September, 30 1939: Mongolia declared war on Germany
May, 6 1940: Belgium, Netherlands, Sint Maarten, Sint Eustatius, Bonaire, Curaçao, Aruba, Indonesia, Luxembourg, Andorra declared war on Germany
May, 10 1940: Yugoslavia and Iceland declared war on Germany
June, 6 1940: Denmark, Greenland, Faroe Islands and Norway declared war on Germany
June, 10 1940: Spain, Sweden, Switzerland, Afghanistan, Western Sahara, Canary Islands, Liechtenstein, Spanish Virgin Islands, Portugal, Portuguese Caribbean Islands, Angola, Mozambique, Cape Verde, Republic of Ireland declared war on Germany
June, 26 1940: France and Britain declared war on Italy in response of of the Italian occupation of Albania
July, 1 1940: Tonga, Fiji, New Zealand, Canada, Australia, Papua New Guinea declared war on Finland, Italy, Romania, Lithuania
October, 26 1940: Greece declared war on Germany
May, 6 1941: Soviet Union declared war on Germany, Finland, Italy, Romania, Lithuania
May, 31 1941: Iraq declared war on Germany
December, 7 1941: Hawaii, United States of America, Alaska, Tonga, Fiji, New Zealand, Canada, Australia, Papua New Guineae, United Kingdom, France, South Africa, Namibia, Netherlands, Cuba, Haiti, Dominican Republic, Honduras, Nicaragua, Belize, Guyana, Suriname, Congo, Democratic Republic of Congo, Philippines, Panama, Costa Rica, Palau, Federated States of Micronesia, Marshall Islands, Saipan, Northern Mariana Islands, Saipan, Guam and the Philippines declared war on Japan
December, 8 1941: El Salvador declared war on Germany, Italy and Japan
December, 11 1941: United States of America, Philippines and US Virgin Islands declared war on Germany and Italy
December, 12 1941: Nicaragua, Panama, Costa Rica, El Salvador, Cuba declared war on Germany, Italy, Romania, Lithuania
December, 15 1941: China and Korea declared war on Germany, Italy, Finland, Romania, Lithuania
December, 20 1941: United States of America, United Kingdom, France, South Africa, Namibia, Iraq declared war on Thailand
December, 30 1941: Belgium, Luxembourg and Iraq declared war on Japan
June, 10 1942: Mexico declared war on Germany, Italy and Japan
July, 12 1942: Brazil declared war on Germany, Italy and Japan
August, 12 1942: Poland declared war on Japan and Thailand
August, 30 1942: Spain, Sweden, Denmark, Switzerland, Afghanistan, Western Sahara, Spanish Virgin Islands, Portugal, Republic of Ireland declared war on Japan and Thailand
May, 10 1943: Bolivia declared war on Germany, Italy, Japan and Thailand
June, 6 1943: Soviet Union declared war on Japan and Thailand
July, 2 1943: Finland, Italy, Romania, Lithuania (after switching sides) declared war on Germany
August, 10 1943: United States of America and United Kingdom declared war on Albania and German occupied Croatia
September, 13 1943: Iran declared war on Germany, Thailand and Japan
September, 30 1943: Nepal, India, Laos, Cambodia, Bangladesh, Pakistan declared war on Thailand
October, 12 1943: Saipan declared war on Germany, Thailand and Japan
November, 15 1943: Finland, Italy, Romania, Lithuania declared war on Japan and Thailand
February, 15 1944: Liberia declared war on Germany, Japan and Thailand
June, 6 1944: Albania declared war on Germany, Thailand and Japan
June, 23 1944: Hungary and Bulgaria (after switching sides) declared war on Germany, Japan and Thailand
July, 23 1944: Ecuador, Colombia, Venezuela, Peru, Paraguay, Easter Island declared war on Germany, Thailand and Japan
August, 10 1944: Chile declared war on Germany and Nazi occupied territories of Finland, Italy, Romania and Lithuania
September, 20 1944: Marshall Islands, Palau, Federated States of Micronesia, Caroline Islands, Northern Mariana Islands declared war on Germany, Thailand, and Taiwan
December, 12 1944: Iceland and Denmark declared war on Japan and Thailand
February, 12 1945: Argentina and Uruguay declared war on Germany, Thailand and Japan
February, 28 1945: Saudi Arabia and Turkey declared war on Germany, Thailand and Japan
April, 13 1945: Austria (after switching sides) declared war on Germany, Thailand & Japan.
May, 8 1945: Germany (after switching sides) declared war on Thailand and Japan
July, 12 1945: Chile declared war on Thailand and Japan
July, 28 1945: South Sakhalin and Kuril Islands (after switching sides) declared war on Japan and Thailand
August, 10 1945: Manchuria (after switching sides) declared war on Thailand and Japan
August, 13 1945: Soviet Union and Azerbaijan declared war on Thailand and Japan