Hazrat Abu Bakr Siddique RA is first caliphs of Sunni's. Abu Bakr as-Șiddīq (true name Abdullah ibn Abi Quhafa) (Arabic: عبد الله بن أبي قحافة, translit.: ʿabd Allāh ibn Abī Quḥāfah), c.( 573 CE – 23 August 634 CE) famously know by his epithet Abū Bakr was a senior partner (Sahabi) and the father-in-law of the Islamic prophet Muhammad. He managed over the Rashidun Caliphate from 632–634 CE when he turned into the first Muslim Caliph emulating Muhammad's passing. As Caliph, Abu Bakr succeeded to the political and regulatory capacities formerly practiced by Muhammad, since the religious capacity and power of prophethood finished with Muhammad's expiration as per Islam. He was called Al-Siddiq (The Truthful) and was known by that title among later generations of Muslims