April 1st (664) was a Friday. It's the 90th day of the year (91st in leap years) in the Gregorian calendar. There are 275 days left to the end of the year.
April 1st Holidays in History
» Christian Feast Day:
» Cellach of Armagh
» Saint Hugh of Grenoble or Hugh of Grenoble
» Frederick Denison Maurice (Episcopal Church (USA))
» Melito of Sardis
» Tewdrig
» Theodora (Roman martyr) named Theodora
» Walric, abbot of Leuconay
» April 1 (Eastern Orthodox liturgics)
» Public holidays in Thailand or Civil Service Day (Thailand)
» Earliest day on which Sizdah Be-dar can fall, while April 2 is the latest; celebrated on the 13th day after vernal equinox. (Iran)
» Edible Book Festival known as Edible Book Day
» Fossil Fools Day
» Kha b-Nisan, the Assyrian New Year (Assyrian people called Assyrians)
» National Day called Islamic Republic Day (Iran)
» Odisha Day (Odisha, India)
» The start of Gion called Miyako Odori, an annual geiko dance celebration. (Gion e.g Gion District, Kyoto, Japan)
» Užupis Day, celebrate the independence of Užupis.