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Cancelled military operations of World War II

  • Operation SledgehammerIn December 1941, the United States entered World War II and immediately began pushing for an invasion of mainland Europe. The U.S.
  • KantokuenIn 1904, the Russo-Japanese War ended with Japan defeating Russia and securing influence in East Asia. This conflict planted deep seeds of hostility toward…
  • Operation DownfallOperation Downfall was the proposed plan by United States and British Commonwealth forces for the invasion of the Japanese home islands near the end of World…
  • Operation Sea LionAdolf Hitler issued a directive on the 16th of July 1940 that set in motion preparations for a landing operation against Britain.