<Tr> <Td_colspan="2"> National anthem of Canada </Td> </Tr> <Tr> <Th> Also known as </Th> <Td> French: Ô Canada </Td> </Tr> <Tr> <Th> Lyrics </Th> <Td> Adolphe - Basile Routhier (French, 1880), Robert Stanley Weir (English, 1908) </Td> </Tr> <Tr> <Th> Music </Th> <Td> Calixa Lavallée, 1880 </Td> </Tr>

How many times has the canadian anthem been changed