Saint Casimir's Day Date in the current year: March 4, 2024

Saint Casimir's Day On March 4, Roman Catholic Church celebrates the feast of Saint Casimir. Saint Casimir's day is most widely observed in Poland and Lithuania because he is the patron saint of these countries.

Casimir Jagiellon was a crown prince of the Kingdom of Poland and of the Grand Duchy of Lithuania in the 15th century. He is described as a young man of exceptional politeness and humility, education and intellect, striving for fairness and justice.

He died in 1484 at the age of 26. Pope Clement VIII canonized him in 1602. St. Casimirs' remains are buried in Vilnius Cathedral. His painting in Vilnius Cathedral completed circa 1520 is considered to be miraculous.

Saint Casimir is the principal patron saint of Lithuania. In Poland, Saint Stanislaus of Szczepanów is considered the primary patron saint, while St. Casimir is venerated as one of the historical patron saints.

In many Roman Catholic parishes, special Mass is said in honor of St. Casimir on his feast day. In Vilnius, Lithuania, a large folk arts and crafts fair is held on the Sunday nearest to the feast. It is called Kaziuko mugė (Kaziuko fair in English). In recent years, similar fairs have also been held in other cities in Lithuania, Poland, and Belarus.

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Saint Casimir's day, feast of Saint Casimir, religious holiday, holidays in Poland, holidays in Lithuania