Last Updated on 19 June 2026

1. Marshall Islands Constitution Day (1979)
2. Madrid (Spain) Dos de Mayo Uprising (1808)
3. Poland Constitution Day (1791)
4. Latvia Day of Restoration of Independence (1990)
5. Netherlands Liberation Day (1945)
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8. Brussels (Belgium) Iris Day (1945)
9. British Isles (Guernsey, Herm, Jersey) Liberation Day (1945), Europe Day (1950)
10. British Isles (Sark) Liberation Day (1945), Romania National Independence Day (1877)
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14. Israel Independence Day (1948-varies), Paraguay Independence Day (1811)
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17. Norway Constitution Day (1814)
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20. Cameroon National Day (1972), Cuba Independence Day (1902), Timor-Leste Day of Restoration of Independence (2002)
21. Montenegro Independence Day (2006)
22. Yemen Unity Day (1990)
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24. Bermuda Day (1979), Eritrea Independence Day (1991)
25. African Union Africa Day (1963), Argentina May Revolution Day (1810), Jordan Independence Day (1946)
26. Georgia Independence Day (1918), Guyana Independence Day (1966)
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28. Armenia Republic Day (1918), Azerbaijan Independence Day (1918), Ethiopia Downfall of the Derg Day (1991)
29. Lombardy (Italy) Battle of Legnano Day (1176)
30. Anguilla Day (1967), Canary Islands (Spain) Day of the Canary Islands (1983), Croatia National Day (1990)
31. Castilla–La Mancha Day (Spain) (1983)