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

Independence Day in Antigua and Barbuda commemorates the moment in 1981 when Antigua and Barbuda achieved full independence from the United Kingdom, becoming a sovereign nation within the Commonwealth. The celebration typically includes ceremonial flag-raisings, a national parade, cultural exhibitions and family festivities, honouring both the historical journey to independence and the continued spirit of nationhood.