Saint Casimir's Day 2026

Saint Casimir's Day is observed on March 04, 2026. It is the anniversary of the death of Saint Casimir, the patron saint of Lithuania and Poland. St. Casimir is the patron saint of many Roman Catholic Churches in the United States which were established by Polish or Lithuanian immigrants.

We have placed a detailed description of this event on this page: Saint Casimir's Day 2025. For further information please stop by there!

More dates:

• Saint Casimir's Day on Mar 04, 2025 in Lithuania
• Saint Casimir's Day on Mar 04, 2026
• Saint Casimir's Day on Mar 04, 2027