The Tanaka Memorial: A Secret Blueprint for World Conquest – S6-E11

The Taiwan History Podcast: Formosa Files · May 21, 2026 · 28m

In the 1930s, a mysterious document known as the Tanaka Memorial shocked the world. Supposedly written by Japanese Prime Minister Baron Tanaka, it outlined a strategy for conquering Manchuria, China, Southeast Asia, and even the United States. As real-life events seemed to unfold according to the alleged plan, the document became one of the most influential pieces of anti-Japanese propaganda of the twentieth century. It was quoted by American films, politicians, and many others. In this episode, we tell the story of Taiwanese businessman Tsai Chih-kan (蔡智堪), who later claimed to have…