Births on August 20

Bernard de Bury, French harpsichord player and composer (d. 1785)

Bernard de Bury or Buri (20 August 1720 – 19 November 1785) was a French musician and court composer of the late Baroque era.

21 Jan

Treaty of Stockholm (Great Northern War)
Sweden and Prussia sign the Treaty of Stockholm.
29 Feb

Frederick I of Sweden
Ulrika Eleonora, Queen of Sweden abdicates in favour of her husband, who becomes King Frederick I on 24 March.
20 Oct

Capture of the William
Caribbean pirate Calico Jack is captured by the Royal Navy.