1994
American astronomer Alexander Wolszczan announced the discovery of the first planets outside our solar system
United States
1989
More than 100,000 Chinese students gathered in Tiananmen Square, Beijing, in a mass protest that spread and grew over the following weeks
China
1983
One pound coins went into circulation in England and Wales.
Great Britain
1964
UK TV Channel BBC2 launched
Great Britain
1926
Birth of Queen Elizabeth II (was Princess Elizabeth from 1926 until 1952)
Great Britain
1918
World War I: German fighter pilot Manfred von Richthofen (‘The Red Baron’) was shot down and killed over Vaux sur Somme, France.
Germany
