Chatham Islands Anniversary Day commemorates the region’s historical settlement and provincial foundation. It remains a regional public holiday, giving residents of the Chatham Islands a long weekend for rest and community events.

Westland Anniversary Day commemorates the 1868 founding of Westland Province after its separation from Canterbury. It continues as a regional public holiday for the Westland District, celebrated today as a summer long weekend of leisure and local pride.

Independence Restoration Day in Portugal commemorates the restoration of Portuguese independence in 1640 after 60 years of Spanish rule. It marks the uprising in Lisbon that ended the Iberian Union and placed King John IV of the House of Braganza on the throne. The day symbolizes national sovereignty, unity and resilience, celebrating Portugal’s return as an independent kingdom.

National Day of Romania commemorates the Great Union of 1918, when Transylvania, Bessarabia, and Bukovina united with the Kingdom of Romania. It symbolizes national unity, freedom, and pride, marked by parades, ceremonies, and cultural festivities.

National Day in the United Arab Emirates (UAE) marks the unification of the seven emirates in 1971 and the founding of the UAE as an independent, sovereign nation.

Spain’s Constitution Day commemorates the 1978 referendum that approved the democratic Constitution, marking the country’s peaceful transition from dictatorship to democracy and laying the foundation for modern Spain.

Independence Day in Finland marks the country's 1917 declaration of independence from Russia. It is observed with flag ceremonies, remembrance events, and families lighting two blue-and-white candles, while the President's Independence Day Reception highlights the nation's pride and unity.

National Youth Day in Albania honors the courage of Albanian students who led the 1990 democratic movement, marking the fall of communism and celebrating youth as a force for freedom, hope and progress.

Tanzania’s Independence Day marks the day when Tanganyika (now mainland Tanzania) gained independence from British colonial rule in 1961. It is a powerful symbol of freedom, unity, and the beginning of self-determination for the Tanzanian people.

Revolution and Youth Day is a cherished national holiday in Tunisia. It commemorates the beginning of the Tunisian Revolution, also known as the Jasmine Revolution, which sparked the Arab Spring and led to the ousting of longtime President Zine El Abidine Ben Ali.

Macau Special Administrative Region (SAR) Establishment Day marks the return of Macau to China from Portuguese administration in 1999 and the founding of the Macau SAR under the "One Country, Two Systems" framework. The day is commemorated with official ceremonies, fireworks, cultural performances and flag-raising events, celebrating Macau's unique blend of Chinese and Portuguese heritage and its continued prosperity under Chinese sovereignty.

The Winter Solstice, known as Dongzhi Festival, marks the shortest day and longest night of the year. Rooted in ancient Chinese tradition, it symbolizes balance, renewal, and family unity. Families gather for special meals, often featuring tangyuan (sweet glutinous rice balls) that represent harmony and reunion. In Macau, it is a time for both ancestral remembrance and joyful gatherings, reflecting the city’s blend of tradition and togetherness.

National Unity Day in Zimbabwe commemorates the signing of the Unity Accord in 1987, a pivotal agreement that brought an end to political violence and division between the country’s two major liberation parties: ZANU (Zimbabwe African National Union) and ZAPU (Zimbabwe African People's Union).

The National Day of Thanksgiving in the Solomon Islands was created in 2004 to commemorate the end of The Tensions (1998–2003), honor peace and reconciliation, and dedicate a day for gratitude, prayer, and national unity.

Independence and Unity Day commemorates the announcement of the plebiscite results in which Slovenians overwhelmingly voted for independence. It celebrates both the decision for sovereignty and the unity of the people, which paved the way for the official declaration of independence in June 1991.

Restoration Day in Geneva, Switzerland commemorates the restoration of the Republic of Geneva in 1813, after more than 15 years under French rule during the Napoleonic era.