April 1st (1621) was a Thursday. 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 Famous Deaths for 1621
» Cristofano Allori, Italian painter (b. 1577)
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.