Birth of Cardinal Giulio de Medici, born in Firenze, the illegitimate son of Guiliano de Medici who was murdered, young Giulio was raised by his uncle Lorenzo the Magnificent and would go on to become Pope Clement VII the 219th successor of Peter.
Pope Gregory IX, the 178th successor of Peter and the pontiff who canonized Saint Francis, Saint Dominic, and Saint Anthony of Padua, also instituted the Holy Inquisition and on this date he sent the first inquisition team to Aragon in Spain.
Death of Saint Philip Neri, founder of the Confraternity of the Most Holy Trinity which was composed of laymen to minister to needy pilgrims. He was a great promoter of Forty Hours' Devotion of the Blessed Sacrament, to Which he had a great love and dedication to. He became known as the "Apostle of Rome" for his holy counsel to Popes, Cardinals and clerics as well as numerous political leaders and the common populace. He died in Rome on this date and was canonized in 1622 by Pope Gregory XV.
Death of Saint Mariana de Paredes y Flores, who was born in Quito, Ecuador. She was gifted with prophecy and is purported to have performed miracles. After an earthquake and an epidemic struck the city of Quito, Mariana offered herself in reparation for the people's sins. Soon after God granted her prayers by eliminating the epidemic, she died on this date in Quito where she has been known since as the "Lily of Quito." She was canonized in 1950 by Pope Pius XII.
Even though the state of Maryland had tolerated all faiths, the Colony of Massachusetts, heavily populated by Quakers, decided to ban Roman Catholic priests in an effort to dissuade Catholics from settling in and around Boston and other areas of "New England." Those who had been persecuted in England, forgot what freedom meant and began their own persecutions. Catholics in the Boston area suffered greatly but the fruits of their persecution, like the early Christian martyrs, proved fruitful for Boston would become a great hub of Catholicism over the next few centuries.