Wikipedia
Umar, also spelled Omar (, born c.583 CEdied 3 November 644 CE), was one of the most powerful and influential Muslim caliphs in history. He was a senior Sahabi of the Islamic prophet Muhammad. He succeeded Abu Bakr (632–634) as the second caliph of the Rashidun Caliphate on 23 August 634. He was an expert Islamic jurist known for his pious and just nature, which earned him the epithet Al-Farooq ("the one who distinguishes between right and wrong"). He is sometimes referred to as Umar I by historians of Islam, since a later Umayyad caliph, Umar II, also bore that name. According to Sunnis, Umar is the second greatest of the Sahaba after Abu Bakr.
Under Umar, the caliphate expanded at an unprecedented rate, ruling the Sasanian Empire and more than two-thirds of the Byzantine Empire. His attacks against the Sasanian Empire resulted in the conquest of Persia in fewer than two years (642–644). According to Jewish tradition, Umar set aside the Christian ban on Jews and allowed them into Jerusalem and to worship.
Umar is a fictional character appearing in American comic books published by Marvel Comics. The character resides in the "Dark Dimension" of the Marvel Comics multiverse. She is a Faltine, a higher-dimensional energy being, but is trapped in human form. Although she is a sorceress and has vast magical powers, she is still second to her brother Dormammu. Umar is commonly a foe of Doctor Strange as well as the mother of his wife, Clea.
Umar is a 2006 Indian crime- drama film directed by Karan Razdan.