the first Bohemian historian, was born in 1045. In 1086 he was made canon of the Prague chapter; in 1099 he received holy orders, and he died October 21, 1125. When already advanced in years he set himself to write a history of Bohemia. He completed the Chronica Boemorum between 1119 and 1125. The first book reaches from the earliest times to the year 1038; the second to 1092; the third to 1125. The Chronica was published by Freher in Script. rerum Bohemicarum (Hanover, 1602, 1607, 1620); Menke, Script. Rerum Germanicarum (Leipsic, 1728); Pelzl et Dobrowsky, Script. rerum Bohemicarum (Prague, 1783); Kopke in Monum. Germ.; Migne, Patrol. Lat. 166; Emler et Tomek, Fontes rerum Bohemicarum (ibid. 1874), 2:1 sq. It was continued by some anonymous writers, under the title Continuatores Cosmoe. See Borowy in Wetzer u. Welte's Kirchen-Lexikon, s.v. (B.P.)