<Tr> <Td> Mexican Texas </Td> <Td> 1821--1836 </Td> </Tr> <Tr> <Td> Republic of Texas </Td> <Td> 1836--1845 </Td> </Tr> <Tr> <Td> Statehood </Td> <Td> 1845--1860 </Td> </Tr> <Tr> <Td> Civil War Era </Td> <Td> 1861--1865 </Td> </Tr>

When did settlers begin to settle in texas