Question: when was the peace treaty with japan signed
Answer: Treaty of San Francisco ( サンフランシスコ 講和 条約 , San - Furanshisuko kōwa - Jōyaku ) , Peace Treaty with Japan ( 日本 国 と の 平和 条約 , Nihon - koku tono Heiwa - Jōyaku ) or commonly known as the Treaty of Peace with Japan , Peace Treaty of San Francisco , or San Francisco Peace Treaty ) , mostly between Japan and the Allied Powers , was officially signed by 48 nations on September 8 , 1951 , in San Francisco .