April 17 is the 107th day of the year in the Gregorian calendar (108th in leap years). There are 258 days remaining.
April 17 - Events.
1397 - Geoffrey Chaucer tells the Canterbury Tales for the first time at the court of Richard II.
1492 - Spain and Christopher Columbus sign a contract for him to sail to Asia to get spices.
1521 - Martin Luther speaks to the assembly at the Diet of Worms, refusing to recant his teachings.
1524 - Giovanni da Verrazano ...
