The Soviet Union and Japan signed a Joint Declaration OTD in 1956, officially ending the state of war between the two countries that had existed since August 1945 https://cromwell-intl.com/travel/japan/wwii-cryptanalysis/?s=mb #history
Bob's Pages of Travel, Linux, Cybersecurity, and MoreCryptanalysis and the Nuclear BombsThe nuclear bombing of Hiroshima and Nagasaki makes more sense once Japan's internal communications were revealed after 50 years of official Allied secrecy.