What happened on 18 November?

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

1. 1803 Battle of Vertières Decisive Haitian victory under Dessalines over French forces; opens the path to formal independence two months later.
2. 1302 Pope Boniface VIII's Unam Sanctam Papal bull asserting papal supremacy over kings.
3. 1910 Black Friday (suffragette) Police violently dispersed a delegation of suffragettes outside the Commons; 200 women assaulted; radicalises the movement.
4. 1978 Jonestown massacre Over 900 members of the Peoples Temple die in a mass murder-suicide in Guyana, the largest such event in modern history.
5. 1928 Steamboat Willie debuts Mickey Mouse Disney's synchronised-sound cartoon introduces Mickey Mouse and helps launch the American animation industry.
6. 1918 Kolchak declares himself Supreme Ruler In Omsk, Admiral Alexander Kolchak overthrows Siberia's socialist directory and proclaims himself Supreme Ruler of Russia — the White movement's one attempt at a single government.
7. 1883 Standard time zones adopted in North America On the 'day of two noons' North American railways adopt Sandford Fleming's zone system; the Washington conference takes it worldwide the next year.