Saint Charles Borromeo was a prominent figure in the Catholic Church during the 16th century. Born in 1538 in Italy, he became a cardinal and played a crucial role in the Counter-Reformation. He was instrumental in implementing the reforms established by the Council of Trent, focusing on improving the education of clergy and the spiritual life of the laity. He is known for his dedication to the poor and his efforts to combat corruption within the Church. Saint Charles Borromeo founded seminaries to train priests and established charitable institutions. He was canonized as a saint in 1610, and his feast day is celebrated on November 4.