This national holiday is always celebrated on the 31st March.
In Malta, it is called Jum il-Ħelsien.
The celebration marks the withdrawal of British troops from the Island of Malta and Gozo.
In 1814, Malta became a British colony after having received the support of the Empire to expel the French forces occupying the islands.
After the heroic defence of the island during the second world war, King George VI promised the Maltese people self-government which was acquired in 1947. British forces remained on the island until 31st March, 1979, when the Defence Treaty with Britain came to an end.
This withdrawal meant that it was the first time in a thousand years that the Maltese would not have foreign military presence on their land.
The main activities of commemorating this date take place in Vittoriosa and the monument to the fallen in Floriana, followed by a competitive regatta in the Grand Harbour.
Armed Forces of Malta website. Armed Forces of Malta, Freedom Day.