July 21st (1645) was a Friday. It's the 202nd day of the year (203rd in leap years) in the Gregorian calendar. There are 163 days left to the end of the year.
Historical Events for 21st July, 1645
» Qing Dynasty regent Dorgon issues an Queue (hairstyle) Queue Order called 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.