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Year 920 (CMXX) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.
- Emperor Taizu of the Khitan Empire orders the adoption of a written script by the Khitan, resulting in the creation of Khitan "Large Script."
- Adso of Montier-en-Der, Frankish Benedictine abbot (d. 992)
- Athanasius the Athonite, Byzantine monk (approximate date)
- Dunash ben Labrat, Spanish Jewish commentator (d. 990)
- Fujiwara no Morotada, Japanese statesman (d. 969)
- Gao Baorong, king of Nanping (Ten Kingdoms) (d. 960)
- Goltregoda, Frankish countess and regent (d. 963)
- Guntram the Rich, founder of the House of Habsburg (d. 973)
- Haakon I, king of Norway (approximate date)
- Hugh of Vermandois, Frankish archbishop (d. 962)
- Li Jingsui, prince of Southern Tang (d. 958)
- Liu Bin, emperor of Southern Han (d. 943)
- Liu Sheng, emperor of Southern Han (d. 958)
- Liutprand of Cremona, Lombard bishop (d. 972)
- Louis IV, king of the West Frankish Kingdom (or 921)
- Megingoz, count of Guelders (approximate date)
- Menahem ben Saruq, Spanish Jewish philologist (d. 970)
- Minamoto no Masanobu, Japanese nobleman (d. 993)
- Miró III, count of Cerdanya and Besalú (d. 984)
- Oliba Cabreta, Frankish nobleman (approximate date)
- Ratna Pala, king of Kamarupa (India) (d. 960)
- Reginar III, Frankish nobleman (approximate date)
- Rogvolod, prince of Polotsk (approximate date)
- Abd-Allah Mikali, Abbasid governor
- Abu Sa'id al-Janadi, Arab scholar
- Æthelweard, son of Alfred the Great (or 922)
- Ahmad ibn Sahl, Samanid governor
- Brahma Pala, king of Kamarupa
- Georgios I, ruler of Makuria (Egypt)
- Harumichi no Tsuraki, Japanese poet
- Mael Macduach, king of Hy Fiachrach (Ireland)
- Raymond I, count of Pallars and Ribagorza (Spain)
- Stephen of Liège, Frankish bishop
- Yang Longyan, king of Wu (b. 897)
- ^ Timothy Reuter (1999). The New Cambridge Medieval History: Volume III, p. 563. ISBN 978-0-521-36447-8.
- ^ Timothy Reuter (1999). The New Cambridge Medieval History: Volume III, p. 314. ISBN 978-0-521-36447-8.
- ^ Timothy Reuter (1999). The New Cambridge Medieval History: Volume III, p. 675. ISBN 978-0-521-36447-8.
- ^ Domínguez-Castro, Fernando; Vaquero, José Manuel; Marín, Manuela; Gallego, María Cruz; García-Herrera, Ricardo. "How useful could Arabic documentary sources be for reconstructing past climate?" Weather 67(3): 76-82 doi:10.1002/wea.835 march 2012.