The King’s Official Birthday is observed in Queensland, Australia, on the first Monday in October. This public holiday celebrates the birthday of the British monarch, a tradition that dates back to 1748, beginning with King George II. Initially, the holiday was celebrated on the monarch’s actual birthday, but in 1936, it was moved to the second Monday in June for most Australian states to better distribute public holidays throughout the year. However, Queensland changed its observance in 2015 to avoid a clash with Queensland Day, which is celebrated on June 6. The October date offers more favorable spring weather in Australia compared to the winter conditions in June. On this day, schools, government offices, and most businesses are closed, while some shops may operate with reduced hours. The holiday provides a long weekend for many Australians, who often take the opportunity to travel or spend time with family.