A massive IRA bomb exploded in the Bishopsgate area of the City of London, killing one person, injuring more than 40, and causing £350m.
Death of Oliver Tambo, South African ANC politician and anti-apartheid campaigner.
Death of Cosmonaut Vladimir Komarov, killed in Soyuz 1 after the failure of its parachute to open - the first person to die during a space mission.
The Sky at Night, presented by Patrick Moore, first broadcast on BBC television, 1957.
The Easter Rising begins in Ireland
Birth of William Joyce (Lord Haw Haw), Irish fascist who became notorious as a broadcaster of German propaganda during World War II.
Birth of Anthony Trollope, British novelist and civil servant in the post office who introduced post boxes.
Death of Daniel Defoe, British writer of The Life and Strange Surprizing Adventures of Robinson Crusoe and other books, mostly written when he was in his 60s.
First publication of the Boston News-Letter, the first newspaper in the United States to be published to a regularl schedule.
Marriage of Mary, Queen of Scots to François the Dauphin of France in Paris