Historical Events on April 1

101 significant historical events occurred on April 1. April 1 has been the date of 40 recorded historical events over more than a century. Notable events on this day include the cycling competitions at the 1896 Summer Olympics at the Neo Phaliron Velodrome, the tragic Adana massacre of Armenian Christians in 1909, and the beginning of Ireland's Easter Rising in 1916. This date is also associated with major disasters such as the Titanic sinking and sporting milestones like ice hockey at the 1920 Summer Olympics.