This is a timeline of major events in the Muslim world from 601 AD to 700 AD (23 BH – 81 AH). Seventh century (601 - 700) This century corresponds to approximately 23 BH - 81 AH. 602: Birth of Muhammad's third child and second daughter Ruqayyah, Wife of third caliph Uthman. 604: Birth of Umm Kulthum, third daughter of Muhammad. She became wife of Uthman after the death of her sister Ruqayyah. 605: 24 July— Birth of Fatimah, the daughter of Muhammad. She was the wife of Ali ibn Abu Talib and all of Muhammad's descendants are through her. 605: Muhammad helps rebuild the Ka'ba. 605: Birth of Hafsa, daughter of second caliph Umar and one of the wives of Muhammad. 610: 9 February— The first announced revelation of the Qur'an in the cave at Hira. He is given his first revelation from the Angel Gabriel in the cave. Khadija is the first to believe. 613: Invitation of the close families of Muhammad to Islam 613: Declaration at Mount Safa inviting the general public to Islam 614: Birth of Aisha, Daughter of first caliph Abu Bakr and youngest wife of Muhammad. 614: Persecution of the Muslims by the Quraish. A party of Muslims migrates to Abyssinia.. 615: Acceptance of Islam by Hamza and Umar 616: Second migration to Abyssinia. 617: Boycott of the Hashemites and Muhammad by the Quraish. 619: April/May— Lifting of the boycott. Deaths of Abu Talib and Khadija, Year of Sorrow. 620: Visit to Taif, as well as Isra and Miraj. 622: 9 September—20 September, Hijra—migration to Medina. First year of Islamic calendar. 623: January— Constitution of Medina. Establishment of the first Islamic state. 624: Battle of Badr. Expulsion of the Bani Qainuqa Jews from Medina. The direction of prayer is converted from Jerusalem to Mecca. 624: Death of Ruqayyah daughter of Muhammad and wife of Uthman . 625: Battle of Uhud. Expulsion of Banu Nadir Jews from Medina. 625: Birth of Hasan ibn Ali, son of Ali and Fatimah and 2nd Shia imams. 626: Birth of Husayn ibn Ali, son of Ali and Fatimah and 3rd Shia imams. 627: Battle of the Trench. Invasion of Banu Qurayza. 628: Treaty of Hudaybiyyah. Battle of Khaybar. Muhammad sends letters to various heads of states. 629: Muhammad pilgrimage to Mecca. Battle of Mu'ta. 629: Death of Zainab eldest daughter of Muhammad and wife of Abu al-As 630: 11