May 23rd (1665) was a Saturday. It's the 143rd day of the year (144th in leap years) in the Gregorian calendar. There are 222 days left to the end of the year.
May 23rd Holidays in History
» Christian Calendar of saints e.g Feast Day:
» Julia of Corsica
» Aaron the Illustrious (Syriac Orthodox Church)
» Desiderius of Vienne
» Quintian, Lucius and Julian
» Nicholas Copernicus and Johannes Kepler (Episcopal Church (USA))