<Tr> <Th> Maryland </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1974: Lowered to 18: for beer and wine 21: for liquor </Td> <Td> 1982: Raised to 21 with grandfather clause </Td> <Td> 21 (however anyone can drink when parents, spouses, teachers are present) </Td> </Tr> <Tr> <Th> Massachusetts </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1973: Lowered to 18 1979: Raised to 20 in 1979 (Apr 16) </Td> <Td> Raised to 21 in 1985 </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Michigan </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1972: Lowered to 18 in 1972 (Jan 1) </Td> <Td> 1978: Raised to 19 in 1978 (Dec 3) 1978: Raised to 21 in 1978 (Dec 21), 18 days later . First state to raise age to 21 since it was lowered </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Minnesota </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1973: Lowered to 18 1976: Raised to 19 First state to raise age after lowering . </Td> <Td> 1986: Raised to 21 </Td> <Td> 21 </Td> </Tr>

When did the drinking age become 21 in michigan
find me the text answering this question