- 1667 12 Jun A Dutch fleet raids Chatham Dockyard, Medway, taking the royal barge and humiliating the Royal Navy.
- 1701 12 Jun The Act of Settlement ensures a Protestant succession in Britain by passing the throne to Hanover.
- 1964 12 Jun Nelson Mandela, leader of the anti-apartheid struggle in South Africa, is jailed for life for sabotage.

