- 1381 15 Jun The Peasants' Revolt against a poll tax is dispersed at Smithfield after its leader Wat Tyler is killed.
- 1919 15 Jun British aviators John Alcock and Arthur Whitten Brown complete the first non-stop transatlantic flight.
- 1934 15 Jun Hitler and Mussolini end their first meeting, in Venice, with each forming a low opinion of the other.

