| First recorded perihelion passage of Halley's Comet |
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240 BC |
| The Diet of Worms ends when Charles V, Holy Roman Emperor, issues the Edict of Worms, declaring Martin Luther an outlaw |
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1521 |
| Richard Cromwell resigns as Lord Protector of England following the restoration of the Long Parliament, beginning a
second brief period of the Commonwealth |
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1659 |
| Charles II lands at Dover, at the invitation of Parliament, after nine years in exile |
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1660 |
| Captain Cook sails on his first voyage |
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1768 |
| After a delay of 11 days, the US Constitutional Convention formally convenes in Philadelphia (to draft a constitution),
after a quorum of seven states is secured |
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1787 |
| A popular uprising against the Spanish Empire begins in Chuquisaca (modern day Sucre), sparking the Latin American
wars of independence |
 |
1809 |
| Citizens of Buenos Aires expel the Spanish Viceroy Baltasar Hidalgo de Cisneros during the May week, starting the
Argentine War of Independence |
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1810 |
| The Chilean Constitution of 1833 is promulgated (replaced in 1925) |
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1833 |
| Britain's first flower show is held at the Royal Horticultural Society, Chiswick |
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1833 |
| The Rebels of Lower Canada (Quebec) rebel against the British for governmental reforms |
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1837 |
| Britain's first hippopotamus, destined for London Zoo, arrives |
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1850 |
| A team of 11 Australian Aboriginals, from the colony of Victoria, plays the first of 47 cricket matches on a tour of
England – nine years before the first Test match |
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1868 |
| Lloyd's Insurance society receives its Royal Charter |
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1871 |
| House of Commons passes the Bank Holiday Act |
 |
1871 |
| Gilbert & Sullivan's HMS Pinafore first performed |
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1878 |
| The first cargo of New Zealand mutton arrives in Britain |
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1882 |
| Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to
serve two years in prison |
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1895 |
| USA declares war on Spain |
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1898 |
| Oscar Slater, later proved innocent, sentenced to life imprisonment for murder |
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1909 |
| The British House of Commons passes the Irish Home Rule Act |
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1914 |
| Second Battle of Ypres ends |
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1915 |
| Transjordan becomes independent |
 |
1923 |
| John T. Scopes goes on trial in Dayton, Tennessee, for teaching Darwinian evolution |
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1925 |
| Jesse Owens breaks 5 world records and equals a sixth, in 45 minutes, in Michigan |
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1935 |
| France's air force bombs Alicante |
 |
1938 |
| The German 2nd Panzer Division captures the port of Boulogne–sur–Mer; the last French and British troops
surrender, marking the end of the Battle of Boulogne |
 |
1940 |
| Battle of Anzio ends |
 |
1944 |
| Transjordan declares its independence from Britain |
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1946 |
| French troops clash with Viet Cong in Vietnam |
 |
1950 |
| Guy Burgess and Donald Maclean disappear from London |
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1951 |
| George Band and Joe Brown reach the summit of Kangchenjunga |
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1955 |
| US Supreme Court rules Alabama's ban on black v. white boxing matches unconstitutional |
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1959 |
| John F. Kennedy announces before a special joint session of the Congress his goal to initiate a project to put a man
on the Moon before the end of the decade |
 |
1961 |
| Ku Klux Klan clashes with 'freedom riders' in Montgomery, Alabama |
 |
1961 |
| Coventry Cathedral consecrated |
 |
1962 |
| The Organisation of African Unity is established in Addis Ababa |
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1963 |
| Cassius Clay knocks out Sonny Liston in the first round at Lewiston, Maine |
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1965 |
| Celtic beat Internazionale Milano 2–1, in Lisbon, becoming the first British side to win the European Cup |
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1967 |
| The Gateway Arch in St. Louis, Missouri, is dedicated |
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1968 |
| Thor Heyerdahl sets sail from Morocco in Ra to prove that the ancient Egyptians could have reached America |
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1969 |
| Bobby Moore appears in court in Bogota, Colombia, charged with stealing a bracelet |
 |
1970 |
| Peter Green leaves Fleetwood Mac, and tells his record company to stop sending royalties |
 |
1970 |
| The Greek destroyer Velos (formerly USS Charrette), participating in a NATO exercise and anchored at
Fiumicino, Italy, refuses to return to Greece in protest against the dictatorship |
 |
1973 |
| The Chinese government removes a ten–year ban on the works of William Shakespeare, effectively ending the
Cultural Revolution which started in 1966 |
 |
1977 |
| Star Wars is released to 32 cinema theatres in the USA |
 |
1977 |
| The first in a series of bombings orchestrated by the 'Unabomber' (Ted Kaczynski) detonates at Northwestern
University in Evanston, a suburb of Chicago, resulting in minor injuries |
 |
1978 |
| 275 lives are lost when an American Airlines DC–10 crashes on take–off at Chicago |
 |
1979 |
| HMS Coventry is sunk by Douglas A–4 Skyhawks of the Argentine Air Force |
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1982 |
| Approximately 10,000 lives are lost in a tropical cyclone and storm surge in Bangladesh |
 |
1985 |
| 30 million people worldwide run in the 'race against time' for Sport Aid |
 |
1986 |
| 'Hands Across America': approximately 6.5 million people hold hands for fifteen minutes in an attempt to form
a continuous human chain across the contiguous USA, in aid of charity – with mixed degrees of success |
 |
1986 |
| South African troops drive 25,000 blacks out of Crossroads squatter camp |
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1986 |
| A military coup in Sierra Leone replaces President Ahmad Tejan Kabbah with Major Johnny Paul Koroma |
 |
1997 |
| Britain's last working pit ponies, Gremlin (25) and Robbie (7) retire from Pantygasseg mine near Pontypool, Gwent |
 |
1999 |
| Israel withdraws its army from Lebanese territory (except for the disputed Shebaa farms zone), 22 years after its
invasion |
 |
2000 |
| Police arrest a 40–year–old musician known as Barry Bulsara on suspicion of murdering Jill Dando |
 |
2000 |
| US adventurer Erik Weihenmayer becomes the first blind person to reach the summit of Mount Everest |
 |
2001 |
| All 225 people on board lose their lives when a Chinese Airlines Boeing 747 disintegrates in mid–air and crashes
into the Taiwan Strait |
 |
2002 |
| Ariel Sharon persuades his reluctant cabinet to accept the international road map for peace in the Middle East,
including Palestine's right to statehood |
 |
2003 |
| Some of the finest works of British contemporary art, including Tracey Emin'sEveryone I have ever slept with
and Damien Hirst's Spot, are feared lost in a fire at a warehouse containing pieces from the collection of Charles Saatchi, and
possibly also from those of Buckingham Palace and the Royal Academy |
 |
2004 |
| As the Crazy Frog ringtone spin–off conquers the music charts of Britain and the world, Liverpool come from
0–3 down against AC Milan to win the Champion's League final on penalties – their fifth European Champions' Cup win and
their first since 1984 (when they also won on penalties, against Roma) |
 |
2005 |
| NASA's Phoenix lander lands on Mars to search for environments suitable for water and microbial life |
 |
2008 |
| North Korea (allegedly) tests its second nuclear device, following it with several missile tests |
 |
2009 |
| The Oprah Winfrey Show airs for the last time, after a 25–year run |
 |
2011 |
| The SpaceX Dragon becomes the first commercial spacecraft to rendezvous successfully with the International Space Station |
 |
2012 |
| At least 28 people die, and 32 others are injured, in an attack by suspected Maoist rebels on a convoy of Indian National
Congress politicians in Chhattisgarh |
 |
2013 |
| The EU's General Data Protection Regulation (GDPR) becomes enforceable |
 |
2018 |
| Ireland votes in a referendum to remove the constitutional ban on abortion |
 |
2018 |
| Prime Minister Theresa May, under pressure over her handling of Brexit, announces her intention to resign with effect
from 7 June |
 |
2019 |