reign of Bengal (South Asia). By topic Astronomy A 1.2% growth of carbon-14 concentration recorded in tree rings suggests that a very strong solar storm may have hit Earth, in either 774 or 775. Births Amalarius, archbishop of Trier (approximate date) Ebbo, archbishop of Reims (d. 851) Einhard, Frankish scholar (d. 840) Fujiwara no Fuyutsugu, Japanese general (d. 826) Hilduin, bishop of Paris (d. 840) Leo V, Byzantine emperor (d. 820) Rotrude, Frankish princess, daughter of Charlemagne (or 778) Tahir ibn Husayn, 9th-century Persian Abbasid governor (or 776) Theodosia, Byzantine empress (approximate date) Theophanes the Branded, Byzantine monk (d. 845) Wetti of Reichenau, German scholar (approximate date) Deaths April 25 Smbat VII Bagratuni, Armenian noble Mushegh VI Mamikonian, Armenian noble September 14 – Constantine V, Byzantine emperor (b. 718) October 6 – Al-Mansur, Muslim caliph (b. 714) date unknown Ciniod I, king of the Picts Fujiwara no Kurajimaro, Japanese politician (b. 734) Princess Inoe of Japan (b. 717) Isma'il ibn Jafar, Shī‘ah Imām (approximate date) Kibi no Makibi, Japanese scholar (b. 695) Ruyuan, Chinese Buddhist abbess and master References