March 20 Major Events in World History
1926
Chiang Kai-shek begins a purge of communists in Guangzhou on 20 March 1926 as Nationalist leader, accelerating the split between the Kuomintang and the Chinese Communist Party.
1933
Heinrich Himmler orders the creation of Dachau concentration camp on 20 March 1933 as Chief of Police of Munich, establishing the first Nazi camp for political prisoners.
1942
In Terowie, Australia, General Douglas MacArthur delivers his famous I shall return speech on 20 March 1942 after evacuating the Philippines under Japanese attack.