CHRISTIAN OF BRUNSWICK bishop of Halberstadt, a younger son of Henry Julius, duke of Brunswick Wolfenbiittel, was born in Groningen on Sept. 20, Having succeeded his father as "bishop" of Halberstadt in 1616, he ob tained some experience of warfare under Maurice, prince of Orange, in the Netherlands. Raising an army he entered the ser vice of Frederick V., elector palatine of the Rhine, and attacked the lands of the elector of Mainz and the bishoprics of West phalia. After some successes he was defeated by Tilly at Hochst in June 1622; then, dismissed from Frederick's service, he en tered that of the United Provinces, losing an arm at the battle of Fleurus. In 1623 he was beaten by Tilly at Stadtlohn and driven back to the Netherlands. When in 1625 Christian IV., king of Denmark. entered the arena of the war, he took the field again in the Protestant interest, but after some successes he died at Wolfenbiittel on June 16, 1626. (See also THIRTY YEARS WAR.) BIBLIOGRAPHY.-Count van Tilly, Relation de la vitoria que de dar Bibliography.-Count van Tilly, Relation de la vitoria que de dar al Conde de Tylli contra el Duque Cristiano de Bronzuyque (Madrid, 1623).