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.

Civil Rights Day is a holiday rooted in the commemoration of the Civil Rights Movement and the struggle for racial equality and justice in the United States. While the day is closely associated with Martin Luther King Jr. Day, it has its unique history in some states, emphasizing the broader scope of civil rights advocacy beyond the contributions of any single leader.

Wellington Anniversary Day commemorates the January 22, 1840 arrival of the ship Aurora and the beginning of European settlement in Wellington. Today, it as a regional holiday, used mainly for summer leisure and regional pride.

Australia Day is the official national day of Australia. It marks the anniversary of the arrival of the First Fleet at Port Jackson, New South Wales, in 1788, which led to the establishment of the first European colony in Australia.
is the official national day of Australia. It marks the anniversary of the arrival of the First Fleet at Port Jackson, New South Wales, in 1788, which led to the establishment of the first European colony in Australia.

Auckland Anniversary Day commemorates the arrival of Governor Hobson in 1840 and the founding of the Auckland Province, celebrated with public holidays, sailing regattas, and community festivities.

Northland Anniversary Day commemorates Governor Hobson’s arrival in 1840 at the Bay of Islands. It reflects the region’s key role in New Zealand’s foundation and serves today as a regional summer holiday for leisure and community pride.