Deaths on July 17

Robert Carr, 1st Earl of Somerset, English-Scottish politician, Lord Chamberlain of the United Kingdom (b. 1587)

Robert Carr, 1st Earl of Somerset (c. 1587 – 17 July 1645), was a politician, and favourite of King James VI and I.

14 Jun

Battle of Naseby
English Civil War: Battle of Naseby: Twelve thousand Royalist forces are beaten by 15,000 Parliamentarian soldiers.
10 Jul

Battle of Langport
English Civil War: The Battle of Langport takes place.
3 Aug

Battle of Nördlingen (1645)
Thirty Years' War: The Second Battle of Nördlingen sees French forces defeating those of the Holy Roman Empire.
8 Oct

Hôtel-Dieu de Montréal
Jeanne Mance opened the Hôtel-Dieu de Montréal, the first lay hospital in North America.