evidence: Moreover, the Republic of China's Consul in Nagasaki Prefecture wrote as follows in his letter expressing gratitude addressed to the Japanese fishermen who saved a group of shipwrecked Chinese fishermen in May 1920: "the Senkaku Islands, Yaeyama-gun, Okinawa Prefecture, the Empire of Japan." On January 8, 1953 the Chinese State newspaper People’s Daily wrote clearly that "the Senkaku Islands were included in the Ryukyu Islands." These facts clearly indicate China's admission that the Senkaku Islands belong to Japan. China's assertion of title to the Senkaku Islands not only lacks grounds in international law, but also is precluded by the principle of estoppel. [...] - Archives Shows China’s Claims on Historical Claims? China Wasn’t Interested in Senkakus Before Discovery of Possible Oil Deposits - Japan’s Islands: Vintage Maps from Britain, Germany Refute China’s Claim to the Senkakus - U.S. Air Force Charts Confirm Takeshima is Japanese Territory - Post-war Remembrance: Russia Stole Japan’s Northern Territories 75 Years Ago