What happened on 11 May?

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

1. 330 Founding of Constantinople Constantine refounds Byzantium as the new Roman capital.
2. 1860 Expedition of the Thousand Garibaldi's red-shirts conquer Sicily and Naples for the Italian crown; classic moment of 19th-century nationalism.
3. 1998 India and Pakistan nuclear tests Both states declare themselves nuclear powers within weeks of each other.
4. 2010 David Cameron's premiership Coalition, austerity, same-sex marriage, the Scottish referendum, and the Brexit vote that ended it.
5. 1857 Delhi proclaims the last Mughal emperor The Meerut mutineers ride through the night to Delhi and hail the 81-year-old poet-king Bahadur Shah Zafar — a Company pensioner with no army of his own — as Emperor of Hindustan.
6. 1981 Death of Bob Marley Marley dies of melanoma in Miami aged 36; Jamaica gives him a state funeral, and he is buried at his birthplace in Nine Mile with his guitar and a Bible.
7. 1931 Creditanstalt fails Austria's biggest bank — a Rothschild house older than the republic — collapses, and the run leaps the border into Germany within weeks, closing every German bank by July. What had
8. 1997 Deep Blue defeats Kasparov IBM's computer beats world champion Garry Kasparov, the first time a machine defeated a reigning chess champion in a match.
9. 1998 Vajpayee orders the Pokhran-II nuclear tests Five underground tests in the Rajasthan desert declare India a nuclear weapons state and trigger international sanctions.
10. 1502 Fourth voyage of Columbus The 'High Voyage': barred from Hispaniola, Columbus coasts Central America hunting a strait to the Indian Ocean, loses his worm-eaten ships, and spends a final year marooned on Jam
11. 1904 Born: Salvador Dalí Spanish Surrealist painter of melting clocks and dreamlike landscapes.
12. 1918 Born: Richard Feynman American physicist of quantum electrodynamics; bongo-playing public intellectual.
13. 973 Coronation of Edgar at Bath Fourteen years into his reign, Edgar is crowned and anointed at Bath in a rite devised by Archbishop Dunstan that still underlies the English coronation; at Chester soon after, sub
14. 1973 Bachchan in Zanjeer After a string of flops, Bachchan breaks through as a brooding police inspector — the birth of Bollywood's 'angry young man'.