The Cairo Declaration of 1943 did not explicitly mention the Kuril Islands but stated: "Japan will also be expelled from all other territories which she has taken by violence and greed".
同樣的，1943年的《開羅宣言》也未明白提及千島群島，而是聲明：「日本將自其他以暴力與貪婪取得的領土上被驅逐。