Dashed left edge = started before May 1555 ·
Dashed right edge = ongoing beyond May 1555
Events in May 1555 3
1501 – 1555Pope Marcellus II (1501-1555)Died 1 May 1555, aged 53Marcello Cervini, elected pope on 9 April 1555 with reformist intentions, died only twenty-two days into his pontificate, one of the shortest in papal history. His death triggered the conclave that elected Paul IV.
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.
1555Treaty of AmasyaOttoman-Safavid War endsSigned on 29 May 1555, the treaty between Suleiman the Magnificent and Shah Tahmasp I ended the long Ottoman-Safavid War and fixed a border between the two empires. It gave the Ottomans control of Iraq and Eastern Anatolia while confirming Safavid rule over the South Caucasus.