Aftermath of World War I the Allies; during the war, it had sent thousands of labourers to France. At the Paris Peace Conference in 1919, the Chinese delegation called for an end to Western imperialistic institutions in China, but was rebuffed. China requested at least the formal restoration of its territory of Jiaozhou Bay, under German colonial control since 1898. But the western Allies rejected China's request, instead granting transfer to Japan of all of Germany's pre-war territory and rights in China. Subsequently, China did not sign the Treaty of Versailles, instead signing a separate peace treaty with Germany in 1921. The Austro-Hungarian and German
End of World War II in Asia occupied by a foreign power. The San Francisco Peace Treaty, signed on September 8, 1951, marked the end of the Allied occupation, and after it came into force on April 28, 1952, Japan was once again an independent country. During the occupation, leading Japanese war crime charges were reserved for those who participated in a joint conspiracy to start and wage war, termed "Class A" (crimes against peace), and were brought against those in the highest decision-making bodies; "Class B" crimes were reserved for those who committed "conventional" atrocities or crimes against humanity; "Class C" crimes were reserved for those