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Events on Monday 23 May 1555 1
1555Paul IV elected popeGian Pietro Carafa becomes a hardline Counter-Reformation popeFollowing the brief pontificate of Marcellus II, the conclave elected Gian Pietro Carafa as Pope Paul IV on 23 May 1555. His papacy was marked by strict enforcement of the Inquisition, the founding of the Roman Ghetto, and confrontation with Spain.