Umar's Assurance
Umar's Assurance (Arabic: العهدة العمرية, romanized: al-ʿUhda al-ʿUmariyya) is an assurance of safety given by the Caliph Umar ibn al-Khattab to the people of Aelia, the Late Roman name for Jerusalem. Several versions of the Assurance exist, with different views of their authenticity.