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.

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.