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.

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.

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.

Even though most of the world recognizes the People's Republic of China as "China", Taiwan, officially the Republic of China, continues to celebrate January 1 as Republic Day, marking the official founding day of the Republic of China (ROC) in 1911.

Sudan’s Independence Day commemorates the country's liberation from British-Egyptian rule in 1956. Marked by parades, flag-raising ceremonies and cultural events, the holiday reflects national pride and the enduring hope for unity and stability.

Republic Day in Slovakia commemorates the independence of Slovakia in 1993 following the Velvet Divorce, marking the foundation of the modern Slovak Republic.

Majority Rule Day is a national public holiday in The Bahamas, . It marks a turning point in Bahamian history when, for the first time, the government reflected the will and voice of the majority Black population.

The Yang di-Pertuan Besar (YDPB) of Negeri Sembilan's Birthday is a significant public holiday in the Malaysian state of Negeri Sembilan. It is celebrated annually to honor the birthday of the Yang di-Pertuan Besar, the hereditary ruler of Negeri Sembilan.