<Tr> <Th> Maldives </Th> <Td> November 11, 1968 </Td> <Td> Sultan Muhammad Fareed Didi deposed and Maldivian Second Republic established after a referendum </Td> </Tr> <Tr> <Th> Libya </Th> <Td> September 1, 1969 </Td> <Td> King Idris I deposed by Muammar Gaddafi's coup d'état </Td> </Tr> <Tr> <Th> Guyana </Th> <Td> February 23, 1970 </Td> <Td> Co-operative Republic of Guyana proclaimed </Td> </Tr> <Tr> <Th> Cambodia </Th> <Td> March 18, 1970 </Td> <Td> The Khmer Republic (later known as Democratic Kampuchea, then the People's Republic of Kampuchea, and finally the State of Cambodia) was declared in 1970 when Prince Norodom Sihanouk was deposed . The monarchy was restored in 1993 . </Td> </Tr>

Name the countries which became democratic till 1950