The national symbols of Sri Lanka are the national anthem, flag, emblem, flower, tree, bird, butterfly, gemstone and sport.
They represent the country and its people within Sri Lanka and abroad as well as traditions, culture, history and geography.
[3] The constitution was promulgated by the National State Assembly on 7 September 1978.
On 14 November 1987 the Sri Lankan Parliament passed the Thirteenth Amendment to the Constitution of Sri Lanka, which made both Sinhala and Tamil the national languages.
[4] Here are list of national symbols that have no official status.