World War II

Allied Powers

 * British Empire
 * Revolutionary France (until 1940)
 * Free France (From 1940)
 * Song China
 * Brazil
 * Polish Free Forces (From 1930)
 * Dutch Free Forces (From 1940)
 * Roman Republic (From 1940)
 * Russian Empire (From 1941)
 * Imperial Realm of North America (From 1941)

Axis Powers

 * Nazi Germany
 * Japanese Empire
 * Kingdom of Thailand
 * Iraq
 * Wallachia
 * Slovak Republic (From 1939)
 * Vichy France (From 1940)
 * Kingdom of Saudi Arabia (From 1940)
 * Croatia (From 1941)