World War II by country World War II by country Nearly every country and territory in the world participated in World War II, with the exception of only a few nations which remained neutral. The Second World War pitted two alliances against each other, the Axis powers and the Allied powers. The leading Axis powers were Nazi Germany, the Kingdom of Italy and the Empire of Japan; while the United Kingdom, the United States, the Soviet Union and China were the "Big Four" Allied powers. The countries involved in or affected by World War II are listed here alphabetically, with a description of their role
Invasion of Tabriz, World War I forces quickly took action and occupied northwestern Iran and Tabriz. They stayed in Tabriz up until August 23, 1918. Invasion of Tabriz, World War I Invasion of Tabriz during World War I was multiple occupations and re-occupations of the city of Tabriz in Iranian Azerbaijan by forces of the Ottoman Empire and the Russian Empire during World War I. Before World War I Tabriz was already held by Russian forces and had been since the Russian Invasion of Tabriz, 1911. On June 31, 1914, three days after the war began, the Iranian government declared neutrality. Despite this, once the Russians