Tradition: Christianity-Protestant,Christianity-Roman Catholic
Link: http://www.hds.harvard.edu/life-at-hds/religious-and-spiritual-life/multifaith-calendar/about-the-multifaith-calendar
The celebration of Jesus’ ascension into heaven and enthronement as universal sovereign. It comes 40 days after Easter. The date observed by Protestants and Roman Catholics is often different from the date observed by Orthodox Christians, Celebrates the resurrection from death of Jesus Christ. It is the oldest and most important festival in the Christian year and initiates the 50-day period culminating in Pentecost. Protestant and Roman Catholic Christians often observe Easter on a different date than Orthodox Christians, but in some years they fall on the same day.