2015: An iron ore tailings dam bursts in the Brazilian state of Minas Gerais flooding a valley, causing mudslides in the nearby village of Bento Rodrigues and causing up to 9 deaths and 19 missing.
1862: American Indian Wars: In Minnesota, 303 Dakota warriors are found guilty of rape and murder of whites and are sentenced to hang. 38 are ultimately executed and the others reprieved.
1499: Publication of the Catholicon, written in 1464 by Jehan Lagadeuc in Tréguier; this is the first Breton dictionary as well as the first French dictionary.
1138: Lý Anh Tông is enthroned as emperor of Vietnam at the age of two, beginning a 37-year reign.