|Centuries:||7th century – 8th century – 9th century|
|Decades:||690s 700s 710s – 720s – 730s 740s 750s|
|Years:||719 720 721 – 722 – 723 724 725|
|722 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1475|
|Bahá'í calendar||−1122 – −1121|
|English Regnal year||N/A|
|Chinese calendar||辛酉年 (Metal Rooster)
3418 or 3358
— to —
壬戌年 (Water Dog)
3419 or 3359
|- Vikram Samvat||778–779|
|- Shaka Samvat||644–645|
|- Kali Yuga||3823–3824|
|Igbo calendar||−278 – −277|
|Japanese calendar||Yōrō 6
|Minguo calendar||1190 before ROC
|Thai solar calendar||1265|
|Wikimedia Commons has media related to 722.|
Year 722 (DCCXXII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 722 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- Summer – Battle of Covadonga: The Visigothic nobleman Pelagius (Don Pelayo) defeats the Umayyad forces under Munuza, provincial governor of Asturias, at Picos de Europa (near Covadonga). This marks the beginning of the Reconquista, the Christian reconquest of the Iberian Peninsula (or 718).
- King Ine of Wessex attempts a takeover of Dumnonia but his armies are crushed, and is forced to withdraw. Queen Æthelburg, wife of Ine, destroys the royal castle of Taunton, to prevent its seizure by rebels under Ealdbert.
- The Battle of Allen is fought close by the Hill of Allen (Ireland) between the Laigin, led by king Murchad mac Brain Mut, and the forces of Fergal mac Máele Dúin (High King of Ireland).
- Battle of Hehil: The West Saxons are defeated by a combined Viking and Cornish army at Cornovii in Cornwall (approximate date).
- January 3 – King K'inich Ahkal Mo' Naab III takes the throne of the Maya city-state of Palenque (southern Mexico).
- November 30 – Wessex-born Boniface is ordained as bishop of Germany by pope Gregory II. Under the protection of Charles Martel (mayor of the palace), he concentrates his religious work in Hessia and Thuringia.
- Emperor Leo III enforces the baptism of all Jews and Montanists in the Byzantine Empire.
- Beli II, king of Strathclyde (approximate date)
- Fergal mac Máele Dúin, High King of Ireland
- September 29 – Leudwinus, Frankish bishop
- Máel Ruba, Irish abbot (b. 642)
- Mujahid ibn Jabr, Muslim scholar
- Bush, Robin (1994). Somerset: The Complete Guide. Dovecote Press, pp. 202–206. ISBN 1-874336-26-1
- The Cycles of the Kings - Cath Almaine "The Battle of Allen"