March to April
- March 1 – Construction of Hoover Dam in completed.
- March 7 – In violation of the Treaty of Versailles, Nazi Germany reoccupies the Rhineland.
- March 9 – Pro-democratic militarist Keisuke Okada steps down as Prime Minister of Japan and is replaced by radical militarist Koki Hirota.
- April 19 – The 1936-1939 Arab revolt in Palestine against the British government and opposition to Jewish immigration begins.