Tonga Emancipation Day or Independence Day
Tonga Emancipation Day or Independence Day is held on June 4. Can be moved to a Monday. Commemorates the abolition of serfdom in Tonga by King George Tupou in 1862, and the independence of Tonga from the British protectorate in 1970. This event in the first decade of the month june is annual.
Father's Day in Tonga on May 16 (Third Sunday in May);
White Sunday in Samoa and Tonga on October 11 (celebrated on the second Sunday in October);
Anzac Day on April 25 (Australia, New Zealand, Nauru, Solomon Islands, Tonga and Western Samoa. It commemorates the landing of the Australian and New Zealand Army Corps - ANZAC - on the Gallipoli peninsula in 1915)