<Tr> <Th> EU Membership Referendum </Th> <Td> 2016 </Td> </Tr> <Tr> <Th> Scotland Act </Th> <Td> 2016 </Td> </Tr> <Tr> <Th> Wales Act </Th> <Td> 2017 </Td> </Tr> <Tr> <Th> EU (Notification of Withdrawal) Act </Th> <Td> 2017 </Td> </Tr>

Who was prime minister when we joined the european union