|Japanese Chronicle Nihonshoki is completed.|
|720 in other calendars|
|Armenian calendar||168/169 (turn of the year July)|
|Buddhist calendar||1263/64 (southern Buddhism); 1262/63 (alternative calculation according to Buddhas Parinirvana )|
|Chinese calendar||56th (57th) cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||82/83 (turn of the year April)|
|Iranian calendar||98/99 (around March 21)|
|Islamic calendar||101/102 (July 11th / 12th)|
|Jewish calendar||4480/81 (September 6-7)|
ab urbe condita MCDLXXIII (1473)
Diocletian's era : 436/437 (New Year November)
|Seleucid era||Babylon: 1030/31 (turn of the year April)
Syria: 1031/32 (turn of the year October)
|Vikram Sambat (Nepalese Calendar)||776/777 (turn of the year April)|
Politics and world events
- February: After the death of ʿUmar ibn ʿAbd al-ʿAzīz , his cousin Yazid II becomes the ninth caliph of the Umayyads .
- around 720: The Byzantine Emperor Leo III. has the Miliaresion minted , a silver coin without figurative representations.
science and technology
The Nihonshoki , the first of the six official stories of the Rikkokushi Empire and the second oldest still existing historical work of Japan , is completed. The book is written in classical Chinese and divided into 30 chapters. According to the foreword of the work, the author of the Nihonshoki was Prince Toneri-shinnō , who is now generally regarded as the editor.
- The Carolingian Hugo of Champagne becomes Bishop of Rouen .
- around 720: Sigibaud, Bishop of Metz , builds the Saint-Avold monastery .
- around 720: Construction of Glastonbury Cathedral
- Around 720 the traveling bishop Korbinian reached Freising on his mission and settled there.
- Baizhang Huaihai , Chinese Zen master († 814 )
- around 720: Childerich III. , Last Merovingian King († 752 / 753 )
- around 720: Lalla , Indian astronomer and mathematician († around 790 )
Exact date of death unknown
- February: ʿUmar ibn ʿAbd al-ʿAzīz , Caliph of the Umayyads (* 681 )
- Summer: Fujiwara no Fuhito , Regent in Japan (* 659 )
- Odilia , daughter of the Alsatian duke, patron saint of the blind (* around 660 )
- Tariq ibn Ziyad , Arab general, conquered the Visigoth Empire (* 670 )
- Yazīd ibn al-Muhallab , Arab military leader (* 673 )
- Ye Fashan , Chinese miracle worker and necromancer (* 616 or 631 )
Died around 720
- Agidius , abbot in St. Gilles / Provence, emergency helper (* around 640 )
- Kakinomoto no Hitomaro , Japanese poet, one of the 36 immortals of poetry (* around 660 )