|Centuries:||7th century – 8th century – 9th century|
|Decades:||750s 760s 770s – 780s – 790s 800s 810s|
|Years:||782 783 784 – 785 – 786 787 788|
|785 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1538|
|Bahá'í calendar||−1059 – −1058|
|English Regnal year||N/A|
|Chinese calendar||甲子年 (Wood Rat)
3481 or 3421
— to —
乙丑年 (Wood Ox)
3482 or 3422
|- Vikram Samvat||841–842|
|- Shaka Samvat||707–708|
|- Kali Yuga||3886–3887|
|Igbo calendar||−215 – −214|
|Japanese calendar||Enryaku 4
|Minguo calendar||1127 before ROC
|Thai solar calendar||1328|
|Wikimedia Commons has media related to 785.|
Year 785 (DCCLXXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The article denomination 785 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. It is still used today in this manner.
- Widukind and many other Saxons are baptized.
- The Frankish empire conquers Girona from the Moors.
- Talorgen succeeds Talorcan II as king of the Picts.
- Višeslav becomes ruler of Croatian Dalmatia.
- al-Hadi becomes caliph.
- October 5 – Ōtomo no Yakamochi, Japanese statesman and waka poet
- November 8 – Prince Sawara, fifth son of Emperor Kōnin
- K'ak' Tiliw Chan Yopaat, greatest king of the Maya city of Quiriguá
- Al-Mahdi, Abbasid Caliph
- Yan Zhenqing, renowned Chinese calligrapher and governor (b. 709)
- Zhu Tao, Tang Dynasty general
- Li Huaiguang, Tang Dynasty general
- Liu Changqing, Tang Dynasty poet
- Liu Congyi, Tang Dynasty chancellor
- Liu Peng, Tang Dynasty general
- Máel Dúin mac Fergusa, King of South Brega
- Ruaidrí mac Fáeláin, King of Leinster
- King Seondeok of Silla, king of Silla
- Tatzates, Byzantine general and Abbasid governor of Armenia
- Theophilus of Edessa, Greek astrologer and scholar