1170 - 1221
Dominic was born in Castile where he joined a religious order.
He accompanied his bishop on a trip to the Albigensian heretics in southern France. In 1206 he began preaching to the heretics and in 1216 received papal approval for a religious order devoted to preaching.
The Order of Friars (Dominicans) was a novel form of religious order with a universal mission of preaching and great emphasis of scholarship.
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From the Catholic Encyclopedia: