Kashubian Unity Day (Poland)

Next Date

March 19th, 2026

Kashubian Unity Day (Poland)

Kashubian Unity Day is an annual festival celebrated every March 19 to commemorate the first historical written mention of Kashubians, in Pope Gregory IX's Bull of 19 March 1238. In this bull, the Pope referred to Prince Bogislaw I of Pomerania as duce Cassubie.

Source: Wikipedia Kashubian_Unity_Day

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