April 10 is the 100th day of the year (101st in leap years) in the Gregorian calendar; 265 days remain until the end of the year.
Born today
Observances
Pierre Teilhard de Chardin (Episcopal Church)
William of Ockham (Anglicanism)
Day of the Builder (Azerbaijan)
Feast of the Third Day of the Writing of the Book of the Law (Thelema)
