Egypt: Easter is the most significant religious holiday for the world's roughly 300 million Orthodox Christians. In the bible, it is the day when Mary Magdalene found that an empty tomb in the cave in which Jesus has been placed after his crucifixion.
Egypt: Eid al-Adha, the Feast of Sacrifice is the most important feast in the Muslim calendar. It celebrates the willingness of the Prophet Ibrahim to sacrifice his son Ishmael in submission to Allah's command, before he was stopped by Allah.