Waitangi Day commemorates the signing of the Treaty of Waitangi in 1840, marking the foundation of New Zealand. It is observed with ceremonies, cultural events, and reflection on the nation’s bicultural identity and history.

Statehood Day is Serbia's most important national holiday, commemorating both the First Serbian Uprising of 1804 and the adoption of the Sretenje Constitution of 1835, symbolizing the country’s path toward independence and democracy.

Heritage Day is a provincial holiday in Nova Scotia, Canada. It was introduced in 2015 to provide a mid-winter break while honoring the province's diverse and rich cultural heritage.

Independence Day in The Gambia commemorates the country’s peaceful transition from British colonial rule to becoming a sovereign nation on February 18, 1965. The day marks a key moment in Gambian history—one of freedom, political self-determination, and national pride.

Armed Forces Day in Sierra Leone honors the Republic of Sierra Leone Armed Forces, remembering soldiers who died in the civil war and recognizing the military’s ongoing role in defending peace and stability.

Founding Day in Saudi Arabia honors the year 1727, when Imam Muhammad bin Saud established the first Saudi state in Diriyah. Declared a holiday in 2022, it highlights the Kingdom’s nearly three centuries of history, complementing National Day (1932) and deepening the sense of Saudi cultural identity.

The People Power Revolution (or EDSA People Power Revolution Anniversary) in the Philippines was a peaceful uprising that ended the 20-year rule of Ferdinand Marcos, ousted him from power, and restored democracy under Corazon Aquino. It remains one of the most significant examples of nonviolent resistance in modern history.

Andalusia Day marks the anniversary of the 1980 autonomy referendum, when Andalusians voted for their region to become an autonomous community within Spain.

Republic Day in Neuchâtel marks the anniversary of a unique and dramatic transformation in Swiss history, the peaceful 1848 revolution that ended Neuchâtel’s status as a monarchy and made it a republican canton within the Swiss Confederation.

Labour Day in Australia is a public holiday that honours the achievements of workers and the labour movement, particularly the establishment of the eight-hour workday. The holiday is observed on different dates across Australian states and territories.

The Installation of the Sultan of Terengganu is a ceremonial event that marks the formal ascension of a new Sultan to the throne of Terengganu. This traditional event is steeped in Malay royal customs, symbolizing the continuity of the monarchy and the Sultan's role as the head of state and protector of Islam in the state.

International Women’s Day (IWD) is a national public holiday celebrated in Uganda every year since 1991. It's a day to recognize women's contributions, promote gender equality, and call for action against gender-based violence and discrimination.