Pope Saint Pius V
Reigned from 7 January 1566 to 1 May 1572.
Born on 17 January 1504 in Bosco, Italy as Michele Ghislieri; died on 1 May 1572 in Rome, Italy.
A Dominican and theologian.
Bishop of Sutri.
Cardinal.
Inquisitor general for all Christendom before his election.
During his pontificate he raised the standard of morality in Rome; enforced the discipline of the Council of Trent; continued the struggle against Protestantism and the Turks; whose domination of Europe ended with their defeat at Lepanto in 1571; condemned the writIngs of Baius; reformed the Breviary and the Missal; excommunicated Queen Elizabeth; and proclaimed the supremacy of the see in his Bull In Coena Domini.
Feast, Roman Calendar, 5 May.
New Catholic Dictionary