<Tr> <Th> Part of a series on the </Th> </Tr> <Tr> <Th> History of Zimbabwe </Th> </Tr> <Tr> <Td> Ancient history <Table> <Tr> <Td> Mapungubwe Kingdom </Td> <Td> c. 1075--1220 </Td> </Tr> <Tr> <Td> Zimbabwe Kingdom </Td> <Td> c. 1220--1450 </Td> </Tr> <Tr> <Td> Mutapa Kingdom </Td> <Td> c. 1450--1760 </Td> </Tr> <Tr> <Td> Torwa dynasty </Td> <Td> c. 1450--1683 </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Mapungubwe Kingdom </Td> <Td> c. 1075--1220 </Td> </Tr> <Tr> <Td> Zimbabwe Kingdom </Td> <Td> c. 1220--1450 </Td> </Tr> <Tr> <Td> Mutapa Kingdom </Td> <Td> c. 1450--1760 </Td> </Tr> <Tr> <Td> Torwa dynasty </Td> <Td> c. 1450--1683 </Td> </Tr> </Table>

When did zimbabwe gain independence which party has ruled since then and who was its leader