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Discover Which Saints Are Celebrated Today, Thursday, September 17, 2026

The Catholic calendar commemorates Saint Robert Bellarmine today, September 17, a prominent Jesuit theologian and Doctor of the Church whose intellectual work was especially significant during the Counter-Reformation.
Discover Which Saints Are Celebrated Today, Thursday, September 17, 2026

The day also commemorates Adriana of Frisia, Hildegard of Bingen, Francis Mary of Camporosso, Lambert of Liège, Manuel Nguyen Van Trieu, Peter Arbués, Reinold of Mélinais, Rodingo of Argona, Satyrus of Milan and Columba of Córdoba, among others.

SAINT ROBERT BELLARMINE

Saint Robert Bellarmine was an influential Jesuit theologian who entered the Society of Jesus in 1560. He studied philosophy and theology and pursued an important academic career, becoming a professor and one of the most prominent figures in the Church of his time.

His thought played an important role during the Counter-Reformation, particularly through his defense of Catholic doctrine against the ideas of the Protestant Reformation. His theological work stood out for its intellectual rigor and its commitment to explaining and defending the teachings of the Church.

His religious and intellectual legacy continued to be recognized centuries after his death. Pope Pius XI canonized him in the 20th century and later proclaimed him a Doctor of the Church, a distinction that cemented his importance within Catholic tradition and theology.

WHY ARE SAINTS CELEBRATED?

The celebration of saints originates in the Catholic tradition, which dedicates the various days of the calendar to remembering and commemorating Christians whose lives and testimony of faith have acquired special importance within the Church.

The names and celebrations of the saints are recorded in the Roman Martyrology, a catalog that is updated with the addition of new figures following the corresponding canonization processes. In this way, each day of the year is associated with the remembrance of different male and female saints.