What happened on 23 March?

6 events from the Ever-When timeline, ranked by how much they mattered.

1. 1933 Enabling Act Reichstag votes Hitler the power to legislate without parliament; formal end of the Weimar constitution.
2. 1927 Heisenberg's uncertainty principle Heisenberg shows you cannot simultaneously know position and momentum of a particle.
3. 1929 Born: Roger Bannister First sub-4-minute mile in 1954.
4. 2021 Suez Canal blockage by Ever Given Container ship grounds in Suez Canal, blocking global trade for six days.
5. 1940 The Lahore Resolution demands Pakistan At its Lahore session the Muslim League formally resolves that India's Muslim-majority zones must be 'independent states' — the two-nation theory made policy. The word Pakistan app
6. 1858 Rani Lakshmibai defends Jhansi The Rani holds her fort against Rose's siege guns for a fortnight, escapes by night with her son strapped to her back, and dies in the saddle at Gwalior.