<Tr> <Td> United Kingdom </Td> <Td> Germany </Td> </Tr> <Tr> <Td> August 5 </Td> <Td> Montenegro </Td> <Td> Austria - Hungary </Td> </Tr> <Tr> <Td> August 6 </Td> <Td> Austria - Hungary </Td> <Td> Russia </Td> </Tr> <Tr> <Td> Serbia </Td> <Td> Germany </Td> </Tr>

Major countries of first world war on map