February 11–Pope Paschal I, leader of the Roman Catholic Church and ruler of the Papal States,dies after a reign of seven years.[2] The Roman Curia refuses to bury him in St. Peter's Basilica because of his harsh treatment of the people of Rome, and inters him instead in the Basilica of Santa Prassede.[3] The office remains vacant for four months before a new conclave is assembled.
March 3 &ndash (9.19.13.15.19) (9th B'ak'tun, 19th K'atun, 13th year (Tun) 15th month (Winal) 19th day (K'in)) Juun Tsak-Took becomes the new ruler of the Mayan city state of Machaquila (in what is now Guatemala), along with co-ruler and Ti-Chaak become the after the death of Sihyaj K'in Ich’aak II. Juun Tsak-Tookwill until his 840.
May– In Constantinople and throughout the Byzantine Empire, Michael II celebrates the festival of Triumph to mark his return to the capital after defeating the rebellion of Thomas the Slav[7][8]
June 4–Pope Eugene II is selected by church leaders and the local nobility of the Papal States as the 99th Pontiff of the Roman Catholic Church, succeeding Pope Paschal I, receiving a majority after the more conservative Zinzinnus is rejected.[9]
September– Rebellious Arab troops in North Africa, led by Mansur ibn Nasr al-Tunbudhi in a battle against the Aghlabids, led by the Emir Ziyadat Allah, invade and occupy the city of Tunis.[10]
Kennedy, Hugh (2018). "The Origins of the Aghlabids". In Anderson, Glaire D.; Fenwick, Corisande; Rosser-Owen, Mariam (eds.). The Aghlabids and Their Neighbors: Art and Material Culture in Ninth-Century North Africa. Brill. p.47. ISBN978-90-04-35566-8.
