- Mar 23 George Frideric Handel's oratorio "Messiah" premieres in London
- Jun 27 War of the Austrian Succession: Battle of Dettingen: in Bavaria, King George II of Britain personally leads troops into battle. The last time a British monarch would command troops in the field.
- Aug 16 Earliest boxing code of rules formulated in England (Jack Broughton)
1st half-page newspaper ad is published (NY Weekly Journal)
On July 18, 1743