<Tr> <Td> March 9 </Td> <Td> Germany </Td> <Td> Portugal </Td> </Tr> <Tr> <Td> March 15 </Td> <Td> Austria - Hungary </Td> <Td> Portugal </Td> </Tr> <Tr> <Td> August 27 </Td> <Td> Romania </Td> <Td> Austria - Hungary </Td> </Tr> <Tr> <Td> Italy </Td> <Td> Germany </Td> </Tr>

Who fought in ww1 and on what side