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.

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.

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.

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.

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.

Canberra Day is a public holiday in the Australian Capital Territory (ACT) that celebrates the founding of Canberra, the capital city of Australia. It is an opportunity for residents to reflect on the city's history, and
enjoy festivities.

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.