Republic Day (Maltese: Jum ir-Repubblika') is a public holiday celebrated in Malta celebrated on 13 December. It celebrates the anniversary of the creation of the Republic of Malta. On 13 December 1974, the constitution of Malta revised, which resulted in the transforming the State of Malta into a republic, effectively abolishing the role of Reġina ta' Malta (Queen of Malta) in the country. That same year, Sir Anthony Mamo was named as the first president of the country. British troops did not leave the country until 31 March 1979.