WHAT HAPPENED IN 1645.
Look what happened the 1645.

Archbishop William Laud is beheaded at the Tower of London. (10. January 1645)

English Civil War: Battle of Naseby – 12,000 Royalist forces are beaten by 15,000 Parliamentarian soldiers. (14. June 1645)

English Civil War: The Battle of Langport takes place. (10. July 1645)

Qing Dynasty regent Dorgon issues an edict ordering all Han Chinese men to shave their forehead and braid the rest of their hair into a queue identical to those of the Manchus. (21. July 1645)

Thirty Years' War: the Second Battle of Nördlingen sees French forces defeating those of the Holy Roman Empire. (3. August 1645)

Battle of Rowton Heath, Parliamentarian victory over a Royalist army commanded in person by King Charles (24. September 1645)

Jeanne Mance opened the Hôtel-Dieu de Montréal, the first lay hospital in North America. (8. October 1645)