In 1931 refers to a specific year during which significant events took place around the world.
Related terms
Great Depression: The Great Depression was a severe worldwide economic downturn that lasted from 1929 to approximately 1939.
Manchuria: Manchuria is a region located in northeast China that became an area of conflict between China and Japan during the early twentieth century.
Mukden Incident: The Mukden Incident was an event staged by Japanese troops as a pretext for invading Manchuria in September 1931.