The Sultan of Terengganu's Birthday is a public holiday celebrated annually in the Malaysian state of Terengganu. This special day honors the birthday of the reigning Sultan, who is the constitutional monarch and protector of Islam in the state.

Truman Day is a state holiday observed in Missouri to honor Harry S. Truman, the 33rd President of the United States. Truman is celebrated for his leadership during a critical period in American and world history, particularly his decisions during and after World War II.

Victoria Day is a federal public holiday celebrated across most of Canada. It honors Queen Victoria's birthday and marks the unofficial start of summer in the country.

Hari Hol Pahang is an annual event observed in the Malaysian state of Pahang to commemorate and honor the late rulers of Pahang. The day is marked with solemn religious and cultural activities, reflecting respect and remembrance for the contributions of the past sultans.

Jefferson Davis's Birthday is observed as a state holiday in some parts of the United States, particularly in the South. Jefferson Davis (1808–1889) was the President of the Confederate States of America during the American Civil War. The holiday commemorates his life and contributions to the Confederacy.

The Agong’s Birthday, also known as the Official Birthday of the Yang di-Pertuan Agong, is a significant public holiday in Malaysia that celebrates the birthday of the country’s King (Yang di-Pertuan Agong). It is a day to honor the Malaysian monarch and the constitutional monarchy system.

The King’s Birthday is a public holiday celebrated in Australia to honor the reigning monarch’s birthday. While the actual birthday of King Charles III is on November 14, the holiday is traditionally observed on the second Monday in June in most Australian states and territories.

King Kamehameha I Day is a state holiday in Hawaiʻi to honor King Kamehameha I (1758–1819), the first monarch to unite the Hawaiian Islands under a single rule. Known as Kamehameha the Great, he is celebrated for his leadership, vision, and contributions to the foundation of the Kingdom of Hawaiʻi.

The Sultan of Kedah's Birthday is an annual celebration in the Malaysian state of Kedah, honoring the reigning Sultan. This day is observed as a public holiday in Kedah, allowing citizens to participate in festivities and pay tribute to their ruler. The Sultan of Kedah holds a revered position as both a constitutional monarch and a symbolic leader who embodies the state's heritage and unity.

The Penang Governor's Birthday is an annual public holiday in the state of Penang, Malaysia. This day celebrates the birthday of the Yang di-Pertua Negeri, the Governor of Penang, who is the ceremonial head of state.