Collegium Hosianum was a center of the Catholic Revival that began with what event in 1545?
Counter-Reformation: The Counter-Reformation (Latin: "Contrareformatio" ), also called the Catholic Reformation (Latin: "Reformatio Catholica" ) or the Catholic Revival, was the period of Catholic resurgence initiated in response to the Protestant Reformation, beginning with the Council of Trent (1545–1563) and ending at the close of the Thirty Years' War (1648).
i don't know