What happened on 4 February?

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

1. 1936 Keynes publishes The General Theory The General Theory of Employment, Interest and Money — Keynes's argument that aggregate demand drives output and employment, justifying counter-cyclical fiscal policy. Foundational
2. 1945 Yalta Conference Stalin, Roosevelt and Churchill meet in Crimea to plan the defeat of Germany and the postwar order, shaping the division of Europe.
3. 1861 Confederate States of America formed Southern states form Confederacy after Lincoln's election.
4. 1899 Philippine-American War Filipino republicans fight US occupation.
5. 1913 Born: Rosa Parks African-American activist whose refusal to give up her bus seat catalysed the boycott.
6. 1645 New Model Army Parliament creates a national professional army under Fairfax and Cromwell; wins Naseby and finishes the first civil war.
7. 1794 French abolition of slavery (1794) National Convention abolishes slavery in all French territories; Toussaint Louverture switches from Spanish to French allegiance.
8. 1922 Chauri Chaura incident Crowd burns police station; Gandhi suspends Non-cooperation Movement.
9. 2004 Facebook founded Harvard students start a social network that goes on to billions of users.
10. 1948 Independence of Ceylon Ceylon becomes a self-governing dominion after 152 years of British rule — the first Crown colony to reach independence by constitutional steps.