725

Template:Use mdy dates Template:About year Template:Year nav Template:M1 year in topic Year 725 (DCCXXV) was a common year starting on Monday of the Julian calendar, the 726th year of the Common Era (CE) and Anno Domini (AD) designations, the 725th year of the 1st millennium, the 25th year of the 8th century, and the 6th year of the 720s decade.The denomination 725 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.

Events

Umayyad conquest of Gaul: Muslim forces under Anbasa ibn Suhaym al-Kalbi (governor of Al-Andalus) capture the fortified town of Carcassonne, which has been under siege (see 720), as well as Nîmes in Septimania (the latter without resistance).<ref>Collins, R. (1989), p. 213</ref>
Summer – In 725, al-Samh's successor, Anbasa ibn Suhaym al-Kalbi, moved against Gothic nobles resisting surrender. The city of Carcassonne was besieged and its Gothic ruler forced to cede half of his territory, pay tribute, and make an offensive and defensive alliance with Muslim forces. The Gothic rulers of Nîmes and the other resisting Septimanian cities also eventually fell under the sway of the Umayyads.<ref>Collins, R. (1989), p. 213</ref>
Duke Eudes of Aquitaine seeks an alliance with Munuza, governor of Cerdagne (eastern Pyrenees), currently in rebellion against the central Umayyad government at Córdoba in Andalusia (probably not cemented until 729).<ref>David Nicolle (2008). Poitiers AD 732, Charles Martel turns the Islamic tide (p. 18). Template:ISBN</ref>
Charles Martel invades Bavaria, and kills Duke Grimoald in battle. His son Hugbert submits to Frankish suzerainty, and Charles brings back the Agilolfing princess Swanachild, who becomes his concubine (later his wife).
King Liutprand puts Corsica, nominally under Byzantine authority, under Lombard government, defending it from Muslim raids (approximate date).

The exiled prince Ealdbert, possibly a nephew of King Ine of Wessex looking for recognition as his heir, seeks sanctuary in Sussex. Ine attacks the South Saxons and kills Ealdbert.
April 23 – King Wihtred of Kent dies after a 35-year reign. The kingdom is divided between his three sons: Æthelbert II as overking, Eadbert I in West Kent and Alric.

Yi Xing, Chinese Buddhist monk and astronomer, applies a clockwork escapement mechanism, to provide rotating motion to his astronomical armillary sphere.

Bede, Northumbrian monk-historian, writes The Reckoning of Time (De temporum ratione), explaining how to calculate medieval Easter.

In Egypt, resentment of the Copts against Umayyad taxation (called jizya) leads to a revolt (approximate date).