April 10th (1580) was a Thursday. It's the 99th day of the year (100th in leap years) in the Gregorian calendar. There are 266 days left to the end of the year.
April 10th Holidays in History
» Christian Feast Day:
» Mikael Agricola (Lutheran)
» Saint Fulbert of Chartres known as Fulbert of Chartres
» James, Azadanus and Abdicius
» Pierre Teilhard de Chardin (Episcopal Church (USA))