The UK had its hottest day on record.
On this day, Cambridge, Cambridgeshire, reached a scorching 38.7 °C (101.7°F).
Source
After winning the Battle of Ourique, Afonso I became King of Portugal.
Rear-Admiral Horatio Nelson's attempt to conquest Tenerife, Spain, failed.
Bob Dylan performed his first electric concert at the Newport Folk Festival.
Maximilian II became emperor of the Holy Roman Empire.
Italian Fascist Prime Minister Benito Mussolini was removed from office.
