630s

Millennium:	1st millennium
Centuries:	6th century – 7th century – 8th century
Decades:	600s 610s 620s – 630s – 640s 650s 660s
Years:	630 631 632 633 634 635 636 637 638 639
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

The 630s decade ran from January 1, 630, to December 31, 639.

Events and trends

630—Serbs and Croats settle the Balkans in the provinces of Moesia, Pannonia and Dalmatia
632—Death of Muhammad and transfer of authority in Islam to first caliph.
632—The Muslims under the new caliph Abu Bakr begin the wars of Apostasy or Ridda Wars against the self-proclaimed prophet Musaylimah.
633—Around this time Isidore of Seville completes his Etymologies
633—The Ridda Wars ends and all Arabia is once again united.
633—The Muslim Arabs start to plunder the border cities of the Sassanian Empire.
633—The Muslim Arabs defeat the Sassanians in the Battle of Chains.
633—The Sassanians are defeated once more by the Muslim Arabs in the Battle of River.
633—The Sassanian Empire is again defeated by the Muslim Arabs in the Battle of Walaja.
633—The Muslim Arabs conquer the great fortress city of Hira, capital of Mesopotamia from the Sassanian Empire.
636—Battle of Yarmouk against the Byzantine Empire led to the conquest of the Levant by generals Amr ibn al-A'as, Khalid ibn al-Walid, Abu Ubaidah ibn al-Jarrah, Yazid ibn Abu Sufyan and Shurahbil ibn Hassana under Caliph Umar ibn al-Khattab.
636—Around this time the Battle of al-Qādisiyyah resulted in a decisive victory for Muslims in the Islamic conquest of Persia by General Sa`d ibn Abi Waqqas under Caliph Umar ibn al-Khattab.
637—Occupation of Mesopotamia by followers of Prophet Muhammad
639—Plague of Emmaus