<Tr> <Td> Kingdom of Gampola </Td> <Td> (1341--1347) </Td> </Tr> <Tr> <Td> Kingdom of Raigama </Td> <Td> (1347--1415) </Td> </Tr> <Tr> <Td> Kingdom of Kotte </Td> <Td> (1412--1597) </Td> </Tr> <Tr> <Td> Kingdom of Sitawaka </Td> <Td> (1521--1594) </Td> </Tr>

Major landmarks in the history of science in india