<Tr> <Th> Reporting mark </Th> <Td> CP </Td> </Tr> <Tr> <Th> Locale </Th> <Td> Canada and eleven U.S States </Td> </Tr> <Tr> <Th> Dates of operation </Th> <Td> February 16, 1881--Present </Td> </Tr> <Tr> <Th> Track gauge </Th> <Td> 1,435 mm (4 ft 8 ⁄ in) standard gauge </Td> </Tr>

When was canada's first railway line opened