Republic Day in Sri Lanka is observed on May 22 every year, commemorating the establishment of the Republic of Sri Lanka in 1972. Although it is not a public holiday and many Sri Lankans are unaware of its significance, the date marks an important milestone in the country's history. Sri Lanka, originally colonized by the Portuguese, Dutch, and later the British, gained independence in 1948 as Ceylon. The move to a republic reflected a shift in the political landscape, and the name was changed to the Democratic Socialist Republic of Sri Lanka in 1978 with the adoption of a new Constitution. Initially celebrated as a public holiday, Republic Day was abolished in 1978 and saw brief recognition in the 1990s before fading from public consciousness. Despite its unofficial status, some Sri Lankans regard this day as the true Independence Day of their nation.