<Tr> <Td> </Td> <Td> Interregnum </Td> <Td> 1402--1414 </Td> </Tr> <Tr> <Td> </Td> <Td> Transformation to empire </Td> <Td> 1453 </Td> </Tr> <Tr> <Td> </Td> <Td> 1st Constitutional </Td> <Td> 1876--1878 </Td> </Tr> <Tr> <Td> </Td> <Td> 2nd Constitutional </Td> <Td> 1908--1920 </Td> </Tr>

Describe the geographic land holdings of the ottoman empire