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.

Federal Territory Day is an official public holiday in Malaysia. It commemorates the establishment of the Federal Territories of Kuala Lumpur, Labuan, and Putrajaya. The day holds significant cultural and historical importance in Malaysia.

Nelson Anniversary Day commemorates the arrival of the first New Zealand Company settlers on February 1, 1842, aboard the Fifeshire. Today, it is used mainly for leisure and summer celebrations.

Sri Lanka's Independence Day commemorates the island’s peaceful independence from Britain in 1948. Marked by flag-raising, parades, religious observances, and cultural events, it is a celebration of sovereignty and national pride.

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.