World Events
- Hitler attempts to seize power in Munich but fails and is imprisoned. His book Mein Kampf is dictated during his nine month prison term.
- Massive inflation in Germany leads to the collapse of the currency.
- The Union of Soviet Socialist Republics (USSR) is established.
- Japan's biggest earthquake devastates Tokyo and Yokohama: 300,000 killed and 2.5 million people are made homeless.