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Mannerheim Day
June 4, 2021
This official Flag Day marks the June 4, 1867 birthdate of C.G.E. Mannerheim, Marshal of Finland; the occasion is also celebrated as the Flag Day of the Finnish Defence Forces.
This official Flag Day marks the June 4, 1867 birthdate of C.G.E. Mannerheim, Marshal of Finland; the occasion is also celebrated as the Flag Day of the Finnish Defence Forces.