622 CE
Tajoom Ukʼab Kʼahkʼ becomes the ruler of the Mayan city state of Calakmul in southern Mexico and reigns until 630. Or June 17 – The Islamic prophet Muhammad secretly leaves his home in Mecca to make the Hijrah (emigrate) to Yathrib (later renamed by him Medina), along with his companion Abu Bakr. They take refuge in the Cave of Thawr south of Mecca for three days, departing on September 13 or June 21. Or June 28 – Muhammad does not enter Yathrib directly, but stops at its outlying environs of Quba. He establishes the Quba Mosque here, the first mosque of Islam. On July 2 (or September 24) he makes his first visit to Yathrib for Friday prayers.
Conflict & Security
- March 28 – Tajoom Ukʼab Kʼahkʼ becomes the ruler of the Mayan city state of Calakmul in southern Mexico and reigns until 630.source
- Battle of Issus: Heraclius defeats the Persian forces under Shahrbaraz in Cappadocia. He recaptures Anatolia, but returns to Constantinople to deal with the threat posed to his Balkan domains by the Avars, and puts the Byzantine army into winter quarters in Pontus.source
Exploration & Expansion
- September 9 or June 17 – The Islamic prophet Muhammad secretly leaves his home in Mecca to make the Hijrah (emigrate) to Yathrib (later renamed by him Medina), along with his companion Abu Bakr. They take refuge in the Cave of Thawr south of Mecca for three days, departing on September 13 or June 21.source
- The Western Turks conquer the Oxus valley and cooperate with Heraclius against Persia, taking Khorasan (modern Afghanistan).source
Religion & Belief
- September 20 or June 28 – Muhammad does not enter Yathrib directly, but stops at its outlying environs of Quba. He establishes the Quba Mosque here, the first mosque of Islam. On July 2 (or September 24) he makes his first visit to Yathrib for Friday prayers.source
- Byzantine–Sasanian War: Emperor Heraclius sails from Constantinople with an expeditionary force (probably 50,000 men), and starts a counter-offensive against the Persian Empire (his young son, Constantine III, is left behind as regent under the charge of Sergius I, patriarch of Constantinople, and patrician Bonus). He lands a few days later at the junction of Cilicia and Syria, near Alexandretta and ancient Issus.source
- Xuanzang is fully ordained as a Buddhist monk at the age of 20.source
Births
Deaths
- April 8 – Shōtoku, prince and regent of Japan (b. 574)source
- April 11 – Luo Shixin, Tang dynasty generalsource
- Liu Wuzhou, rebel leader during the Sui dynastysource
- Walid ibn al-Mughirah, chief of the Banu Makhzum clan of the Quraysh tribe.source
- Yin Kaishan, Tang dynasty generalsource
- Lin Shihong, rebel leader during the Sui dynastysource
- John of Biclaro, Visigoth chronicler (approximate date)source
- Li Zitong, rebel leader during the Sui dynastysource
- Andronicus, Coptic Orthodox Patriarch of Alexandriasource
- Colmán mac Cobthaig, king of Connacht (Ireland)source