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.
Many modern myths have been spun around the Lion flag which was adopted in 1950 as the National flag of Sri Lanka. The first myth is that Vijaya, the first King of Sri Lanka, arrived in Sri Lanka in 486 BCE, with a lion flag in his hand (see wikipedia etc.