What happened on 18 November?

10 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 300 suffragettes outside the Commons; many of the 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. 1852 State funeral of the Duke of Wellington A million and a half people line the streets as a 18-ton bronze funeral car carries the Iron Duke to St Paul's, beside Nelson.
8. 1967 Wilson devalues the pound After three years defending sterling, Wilson cuts it from $2.80 to $2.40 and assures television viewers that 'the pound in your pocket' has not been devalued.
9. 1883 Standard time zones adopted in North America On the 'day of two noons' North American railways adopt William F. Allen's zone system; the Washington meridian conference fixes Greenwich as the prime meridian the next year.
10. 1865 The Celebrated Jumping Frog of Calaveras County A tall tale overheard in a Californian mining camp, printed in a New York paper, makes the unknown Samuel Clemens a national name.