| Country | Date | Remarks |
|---|---|---|
| Paraguay | May 15 | Independence Day: Two day holiday. Día de Independencia. declaration of independence from Spain in 1811 |
| Norway | May 17 | Constitution Day: The signing of the first Norwegian Constitution in Eidsvoll 1814 |
| Cameroon | May 20 | National Day: Creation of a unitary state in 1972 |
| East Timor | May 20 | Proclamation of Independence day: Independence from Indonesia in 2002 |
| Yemen | May 22 | National Day: North and South Yemen are unified as the Republic of Yemen 1990 |
| Martinique | May 22 | Abolition of slavery day: Abolition of slavery day |
| Eritrea | May 24 | Independence Day: Eritrean rebels enter the capital Asmara in 1991 leading to independence from Ethiopia |
| Jordan | May 25 | Independence Day: Independence Day, from the United Kingdom 1946 |
| Georgia | May 26 | Day of First Republic: Independence from Russia in 1918 |
| Ethiopia | May 28 | Downfall of the Derg Day: The Derg regime is defeated in 1991 |
| Armenia | May 28 | Republic Day: Independence from the Transcaucasian Democratic Federative Republic in 1918 |
| Azerbaijan | May 28 | Republic Day: Independence from the Transcaucasian Democratic Federative Republic in 1918 |
| Bermuda | May 29 | Bermuda Day: Last Friday in May. Originally Queen Victoria's birthday. Now celebrates the islands' heritage |
| Croatia | May 30 | Statehood Day: Marks the day in 1990 when the first post-Communist multi-party Parliament was constituted. |
| Anguilla | May 30 | Anguilla Day: The beginning of the Anguillian Revolution in 1967 |
| Samoa | June 01 | Independence Day: On 1 January 1962 Western Samoa became independent of New Zealand |
| Italy | June 02 | Republic Day: Festa della Repubblica. Italy is voted a republic in 1946 |
| Denmark | June 05 | Constitution Day: Grundlovsdag. Constitution Day commemorates the anniversary of the signing of the Danish constitution of 1849 |
| Pitcairn Islands | June 05 | Queen's Birthday: First Monday in June. Celebrates the birthday of Queen Elizabeth II |
| Sweden | June 06 | National Day: Commemorates the election of King Gustav Vasa in 1523, seen as the foundation of Sweden |
Disclaimer: Dates and Events correct at time of printing but may change without our knowledge.
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