April 17th (1521) was a Sunday. It's the 106th day of the year (107th in leap years) in the Gregorian calendar. There are 259 days left to the end of the year.
Historical Events for 17th April, 1521
» Trial of Martin Luther over his Lutheranism called teachings begins during the assembly of the Diet of Worms. Initially intimidated, he asks for time to reflect before answering and is given a stay of one day.
April 17th Holidays in History
» Christian Calendar of saints named Feast Day:
» Benedict Joseph Labre
» Kateri Tekakwitha (Canada)
» Stephen Harding
» April 17 (Eastern Orthodox liturgics)
» Earliest day on which Store Bededag or General Prayer Day can fall, while May 13 is the latest; observed on the 4th Friday after Easter. (Denmark)
» Evacuation Day (Syria) called Evacuation Day, celebrates the recognition of the independence of Syria from France in 1946.