<Tr> <Th> Dates </Th> <Td> c. 4500 -- c. 1900 BC </Td> </Tr>
<Tr> <Th> Dates </Th> <Td> c. 4500 -- c. 1900 BC </Td> </Tr>
when did the sumer civilization begin and end
when did the sumer civilization begin and end
c. 4500 -- c. 1900 BC
c. 4500 -- c. 1900 BC