|Centuries:||7th century – 8th century – 9th century|
|Decades:||750s 760s 770s – 780s – 790s 800s 810s|
|Years:||779 780 781 – 782 – 783 784 785|
|782 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1535|
|Bahá'í calendar||−1062 – −1061|
|English Regnal year||N/A|
|Chinese calendar||辛酉年 (Metal Rooster)
3478 or 3418
— to —
壬戌年 (Water Dog)
3479 or 3419
|- Vikram Samvat||838–839|
|- Shaka Samvat||704–705|
|- Kali Yuga||3883–3884|
|Igbo calendar||−218 – −217|
|Japanese calendar||Ten'ō 2 / Enryaku 1
|Minguo calendar||1130 before ROC
|Thai solar calendar||1325|
|Wikimedia Commons has media related to 782.|
Year 782 (DCCLXXXII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 782 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.
- Charlemagne summons the monk and scholar Alcuin of York to head the palace school at Aachen in order to inspire the revival of education in Europe.
- The Massacre of Verden is ordered by Charlemagne against the Saxons.
- Harun al-Rashid invades Byzantine Anatolia and advances to within sight of Constantinople. Trapped on his return march, he is rescued by the defection of the Byzantine general Tatzates, which allows him to impose a harsh truce on Empress Irene of Athens.