Year 706 (DCCVI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 706 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.
|Ab urbe condita||1459|
|Balinese saka calendar||627–628|
|Chinese calendar||乙巳年 (Wood Snake)|
3402 or 3342
— to —
丙午年 (Fire Horse)
3403 or 3343
|- Vikram Samvat||762–763|
|- Shaka Samvat||627–628|
|- Kali Yuga||3806–3807|
|Japanese calendar||Keiun 3|
|Minguo calendar||1206 before ROC|
|Seleucid era||1017/1018 AG|
|Thai solar calendar||1248–1249|
832 or 451 or −321
— to —
833 or 452 or −320
- February 15 – Emperor Justinian II presides over the public humiliation of his predecessors, Leontios and Tiberios III, and their chief associates in the Hippodrome of Constantinople, after which they are executed. Patriarch Kallinikos I is also deposed, blinded and exiled to Rome, and succeeded by Kyros.
- Duke Corvulus of Friuli is arrested by King Aripert II of the Lombards, and has his eyes gouged out. He is replaced by Pemmo, who begins a war against the Slavs of Carinthia (modern Austria).
- July 2 – Emperor Zhong Zong has the remains of his mother and recently deceased ruling empress Wu Zetian, her son Li Xian, her grandson Li Chongrun, and granddaughter Li Xianhui, all interred in the same tomb complex as his father and Wu Zetian's husband Gao Zong, outside Chang'an, known as the Qianling Mausoleum, located on Mount Liang, which will then remain unopened until 1960.
- Berhtwald, archbishop of Canterbury, is obliged by the pope's insistence to call the Synod of Nidd (Northumbria).
- Caliph Al-Walid I commissions the construction of the Great Mosque of Damascus (Syria).