- 1389 20 Jun Ottoman sultan Murad I defeats the Serbs at the Battle of Kosovo, a key event in Serbian national history.
- 1756 20 Jun Nawab of Bengal Siraj Ud Daulah imprisons 146 Europeans in the 'Black Hole of Calcutta'. Only 23 survive.
- 1984 20 Jun GCSE examinations replace O-levels and CSEs in a major education shake-up by the Conservative government.
World War One Centenary
- Find out more about how the BBC is covering the World War One Centenary, and see the latest programmes and online content
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