Country Sri Lanka, their brief history and states; chronology.

History of the countries

Pandyan Kingdom	6 century AD - 11 century AD
…	2 century BC - 161 BC
Ruhuna	2 century BC - 15 century AD
Kingdom of Raigama	-
Jaffna Kingdom	15 century AD - 1658
…	485 BC - 2 century BC
Polonnaruwa Kingdom	1070 - 1310
Kingdom of Kotte	1412 - 1597
Kingdom of Sitawaka	1521 - 1594
Kingdom of Kandy	1581 - 1815
British Ceylon	1948 - 1972
Free, Sovereign and Independent Republic of Sri Lanka	1972 - 1978
Tamil Eelam	1976 - ....
Democratic Socialist Republic of Sri Lanka	1978 - ....