Abū Bakr aṣ-Ṣiddīq ‘Abdallāh bin Abī Quḥāfah ( c. 573 CE – 634AD) was a close companion (Sahabi) and—through his daughter Aisha—the father-in-law of Prophet Muhammad. (PBUH) Abu Bakr became the first openly declared Muslim outside Muhamm
He ruled over the Rashidun Caliphate from 632 to 634 CE when he became the first Muslim Caliph following Muhammad’s death. As caliph, Abu Bakr succeeded to the political and administrative functions previously exercised by Muhammad. He was commonly known as The Truthful, a—siddiq, Abu Bakr’s reign lasted for 2 years, 2 months, and 2 weeks ending with his death after an illness.