Oceanic eddies are also usually made of water masses that are different from those outside the eddy. That is, the water within an eddy usually has different temperature and salinity characteristics to the water outside the eddy. There is a direct link between the water mass properties of an eddy and its rotation.
It changed its name to Free, Sovereign and Independent Republic of Sri Lanka in 1968 and finally to its current name Democratic Socialist Republic of Sri Lanka in 1972. February 4 each year is celebrated as a national holiday in Sri Lanka.
Sri Lanka was ruled by 181 Kings and Queens from the Anuradhapura to Kandy periods. After 1815 the entire nation was under British colonial rule and armed uprisings against the British took place in the 1818 Uva Rebellion and the 1848 Matale Rebellion.rchaeological evidence for the beginnings of the Iron age in Sri Lanka is found at Anuradhapura, where a large cityâsettlement was founded before 900 BC. The settlement was about 15 hectares in 900 BC, but by 700 BC it had expanded to 50 hectares.