What happened on 29 August?

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

1. 1831 Faraday discovers electromagnetic induction Faraday's experiments at the Royal Institution establish the relationship between electricity and magnetism.
2. 1833 Factory Act 1833 Bans factory employment of children under nine; limits hours for under-18s; first effective British labour regulation; appoints inspectors.
3. 1632 Born: John Locke English philosopher of empiricism and natural rights; shaped liberalism and the US founders.
4. 1526 Battle of Mohacs Suleiman the Magnificent shatters the Kingdom of Hungary; Ottomans reach central Europe.
5. 1842 Treaty of Nanking Ends the First Opium War; cedes Hong Kong Island to Britain and opens treaty ports.
6. 1958 Born: Michael Jackson King of Pop.
7. 1897 First Zionist Congress Herzl convenes congress in Basel; founds the World Zionist Organization; commits to a Jewish homeland in Palestine.
8. 1780 Born: Jean-Auguste-Dominique Ingres French Neoclassical painter.
9. 1619 Born: Jean-Baptiste Colbert Controller-General of finances under Louis XIV; mercantilist economic policy.
10. 2005 Hurricane Katrina Storm devastates New Orleans and exposes deep American inequalities.
11. 1475 Treaty of Picquigny Edward IV of England agrees to withdraw from France for an annual pension — effective end of the Hundred Years War.
12. 1917 Conscription Crisis in Canada 1917 conscription law splits English- and French-speaking Canada.
13. 1793 Sonthonax abolishes slavery in Saint-Domingue With the colony collapsing and Spain and Britain circling, the French commissioner Sonthonax proclaims general emancipation to rally the insurgent slaves to the Republic — abolitio
14. 1588 Hideyoshi's sword hunt Hideyoshi confiscates weapons from peasants and monks; reinforces the rigid samurai-commoner class divide that defines Tokugawa Japan.
15. 1871 Abolition of the han system Meiji government replaces feudal domains with centrally administered prefectures; transforms Japanese government overnight.
16. 1521 Ottoman capture of Belgrade Suleiman's first major conquest, opening the road into Hungary.
17. 1952 Cage's 4'33" Composition consisting entirely of the ambient sounds of its performance.
18. 1070 Lanfranc becomes Archbishop of Canterbury With the English episcopate purged, William installs the Italian lawyer-monk Lanfranc at Canterbury to Normanise the English church — within a generation almost every bishopric, ab
19. 2016 Anthropocene proposed as new geological epoch Working group proposes formal recognition of the Anthropocene.
20. 1944 Slovak National Uprising Slovak soldiers and partisans rise against the clerical-fascist puppet state and its German protectors; crushed after two months, it anchors Slovakia's post-war identity.
21. 1882 The Ashes rivalry begins Australia's first Test win on English soil, at The Oval, prompts the Sporting Times to publish a mock obituary for English cricket — its body to be cremated and 'the ashes taken to