WHAT HAPPENED IN THE FIRST HALF OF THE 7. CENTURY
Find out what all happened in the first half of the 7. century

Emperor Taizong of Tang, the Emperor of China, sends envoys to the Xueyantuo bearing gold and silk in order to seek the release of enslaved Chinese prisoners captured during the transition from Sui to Tang from the northern frontier; this embassy succeeded in freeing 80,000 Chinese men and women who were then returned to China. (11. June 631)

Yazdegerd III ascends to the throne as king (shah) of the Persian Empire. He becomes the last ruler of the Sassanid Dynasty (modern Iran). (16. June 632)

Li Yuan becomes Emperor Gaozu of Tang, initiating three centuries of Tang Dynasty rule over China. (18. June 618)

The Battle of Moira is fought between the High King of Ireland and the Kings of Ulster and Dalriada. It is claimed to be largest battle in the history of Ireland. (24. June 637)

Li Shimin, the future Emperor Taizong of Tang, Emperor of China, ambushes and kills his rival brothers Li Yuanji and Li Jiancheng in the Xuanwu Gate Incident. (2. July 626)

Battle of Heliopolis: The Muslim Arab army under 'Amr ibn al-'As defeat the Byzantine forces near Heliopolis (Egypt). (6. July 640)

Isshi Incident: Prince Naka-no-Ōe and Fujiwara no Kamatari assassinate Soga no Iruka during a coup d'état at the imperial palace. (10. July 645)

The beginning of the Islamic calendar. (16. July 622)

Chinese forces under general Li Shiji besiege the strategic fortress city of Anshi (Liaoning) during the Goguryeo–Tang War. (18. July 645)

Pakal ascends the throne of Palenque at the age of 12. (29. July 615)

Battle of Ajnadayn: Byzantine forces under Theodore are defeated by the Rashidun Caliphate near Beit Shemesh (modern Israel). (30. July 634)

Ono no Imoko is dispatched as envoy to the Sui court in China (Traditional Japanese date: July 3, 607). (1. August 607)

Battle of Maserfield – Penda of Mercia defeats and kills Oswald of Northumbria. (5. August 642)

The Avar and Slav armies leave the siege of Constantinople. (7. August 626)

Arab–Byzantine wars: The Battle of Yarmouk between Byzantine Empire and Rashidun Caliphate begins. (15. August 636)

Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of Syria and Palestine away from the Byzantine Empire, marking the first great wave of Muslim conquests and the rapid advance of Islam outside Arabia. (20. August 636)

Abu Bakr dies at Medina and is succeeded by Umar I who becomes the second caliph of the Rashidun Caliphate. (23. August 634)

Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang Dynasty of China. (4. September 626)

Battle of Huoyi: Li Yuan defeats a Sui Dynasty army, opening the path to his capture of the imperial capital Chang'an and the eventual establishment of the Tang Dynasty. (8. September 617)

Emperor Heraclius enters Constantinople in triumph after his victory over the Persian Empire. (14. September 629)