21 August 2025 Popular Holidays & Observances Worldwide
International Day of Remembrance and Tribute to the Victims of Terrorism - Popular in:
Passing of the Constitutional Law on the Status of the Republic of Latvia as a State and Actual Restoration of the Republic of Latvia (Konstitucionālā Likuma par Latvijas Republikas Statusu un Latvijas Republikas Faktisko Atjaunošanu Pieņemšana) - Latvia
Sour Herring festival (Surströmmingspremiär) - Sweden
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Popular and notable events on 21 August 2025 - South Africa