|Centuries:||7th century – 8th century – 9th century|
|Decades:||720s 730s 740s – 750s – 760s 770s 780s|
|Years:||747 748 749 – 750 – 751 752 753|
|750 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1503|
|Chinese calendar||己丑年 (Earth Ox)
3446 or 3386
— to —
庚寅年 (Metal Tiger)
3447 or 3387
|- Vikram Samvat||806–807|
|- Shaka Samvat||672–673|
|- Kali Yuga||3851–3852|
|Japanese calendar||Tenpyō-shōhō 2
|Minguo calendar||1162 before ROC
|Seleucid era||1061/1062 AG|
|Thai solar calendar||1292–1293|
Year 750 (DCCL) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 750 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.
- January 25 – Battle of the Zab: Abbasid forces under Abdallah ibn Ali defeat the Umayyads near the Great Zab river (Northern Iraq). Members of the Umayyad house are hunted down and killed. During the fightings the Abbasid army forms a spear wall, a tactic they adopt from their Syrian opponents. Most of the Umayyad forces, with cavalry charging, are destroyed and the rest are forced to retreat. Defeated by his rivals, caliph Marwan II flees westward to Egypt, perhaps attempting to reach Al-Andalus (modern Spain) where there are still significant Umayyad armies.
- August 6 – Marwan II is caught and killed at Faiyum by supporters of caliph Abdullah ibn Muhammad as-Saffah. Almost the entire Umayyad Dynasty is assassinated, prince Abd al-Rahman I escapes to Al-Andalus. The Abbasids assume control of the Islamic world and establish their capital at Kufa.
- Joseph Rabban, Jewish merchant chief, arrives with a group of Babylonian Jews on the Malabar Coast (present-day India). He is granted the rank of prince over the Jews of Cochin ruling a principality in Anjuvannam, near the seaport of Cranganore (approximate date).
- King Alfonso I of Asturias establishes the kingdom of Galicia, roughly northwest of the Iberian Peninsula.
- The town Slaný in the Central Bohemian Region (Czech Republic) is founded at the site of a salt spring.
- King Eadberht of Northumbria imprisons Cynewulf, bishop of Lindisfarne, at Bamburgh Castle. He besieges prince Offa, son of the late king Aldfrith in Lindisfarne Priory. Almost dead from hunger, he is dragged from his sanctuary and put to death.
- Battle of Mugdock: The Strathclyde Britons under king Teudebur defeat prince Talorgan of the Picts. Decline of the power of king Óengus I.
- The Ghana Empire begins (approximate date).
- Native Americans, in the area now known as the Four Corners, begin constructing and occupying pueblos.
- The city of Teotihuacan (modern Mexico) is destroyed and left in ruins, its palaces burned to the ground.
- The "Western Paradise" of Amitābha Buddha, detail of a wall painting in Cave 217, Dunhuang (China), is made during the Tang Dynasty (approximate date).
Food and drink
- In China during the Tang Dynasty bargeload of tea (a medicinal herb) come up the Grand Canal to Luoyang from Zhejiang (approximate date).
- Abbas ibn al-Ahnaf, Arab poet (d. 809)
- Arno, archbishop of Salzburg (approximate date)
- Bermudo I, king of Asturias (approximate date)
- Clement, Irish scholar and saint (approximate date)
- Eigil of Fulda, Bavarian abbot (approximate date)
- Hildegrim, bishop of Châlons (approximate date)
- January 25 – Leo IV, Byzantine emperor (d. 780)
- June 11 – Leo III, pope of the Catholic Church (d. 816)
- Sawara, Japanese prince (approximate date)
- Ragnvald Sigurdsson, great-grandfather to Harald Hårfagre
- Theodulf, bishop of Orléans (or 760)
- Abdallah ibn Abd al-Malik, Umayyad prince (or 749)
- Agilulfus, bishop of Cologne (approximate date)
- Al-Abbas ibn al-Walid, Umayyad prince and general
- Basil the Confessor, Eastern Orthodox saint
- Boruth, prince (knyaz) of Carantania (approximate date)
- Bressal mac Áedo Róin, Dál Fiatach king of Ulaid
- Burchard, bishop of Würzburg (approximate date)
- Himelin, Scottish priest (approximate date)
- January 25 – Ibrahim ibn al-Walid, Umayyad caliph
- Inreachtach mac Dluthach, king of Uí Maine (Ireland)
- Isonokami no Otomaro, Japanese nobleman
- Irene of Khazaria, Byzantine empress (approximate date)
- August 6 – Marwan II, Umayyad caliph (b. 688)
- Veborg, Scandinavian shieldmaiden (approximate date)
- Media related to 750 at Wikimedia Commons