The 720s decade ran from January 1, 720, to December 31, 729.

Significant people

Yazid II Yazid ibn Abd al-Malik ibn Marwan (; — 26 January 724), commonly known as Yazid II, was the ninth Umayyad caliph, ruling from 720 until his death in 724. Although he lacked administrative or military experience, he derived prestige from his ...

Hisham Hisham ibn Abd al-Malik ibn Marwan (; 6 February 743) was the tenth Umayyad caliph, ruling from 724 until his death in 743. Early life Hisham was born in Damascus, the administrative capital of the Umayyad Caliphate, in AH 72 (691–692 CE). Hi ...

Leo III the Isaurian Leo III the Isaurian (; 685 – 18 June 741), also known as the Syrian, was the first List of Byzantine emperors, Byzantine emperor of the Isaurian dynasty from 717 until his death in 741. He put an end to the Twenty Years' Anarchy, a period o ...

Pope Gregory II Pope Gregory II (; 669 – 11 February 731) was the Pope, bishop of Rome from 19 May 715 to his death on 11 February 731.