The Church of the Nativity is a basilica located in Bethlehem, Palestine. The church was originally commissioned in 327 AD by Constantine and his mother Helena over the site that is still traditionally considered to be located over the cave that marks the birthplace of Jesus of Nazareth. The Church of the Nativity site's original basilica was completed in 339 AD and destroyed by fire during the Samaritan Revolts in the sixth century AD. A new basilica was built 565 AD by Justinian, the Byzantine Emperor, restoring the architectural tone of the original. The site of the Church of the Nativity has had numerous additions since this second construction, including its prominent bell towers.