<Tr> <Th> (Interregnum) </Th> <Td> 1649--1660 </Td> </Tr> <Tr> <Th> Restoration </Th> <Td> 1660--1714 </Td> </Tr> <Tr> <Td> Georgian </Td> <Td> 1714--1837 </Td> </Tr> <Tr> <Th> Regency </Th> <Td> 1811--1820 </Td> </Tr>

How many different types of stone age dwelling have archaeologists found in britain