<Tr> <Th> Hawaii </Th> <Td>? </Td> <Td> 21 </Td> <Td> 1972: Lowered to 18 </Td> <Td> 1986: Raised to 21 </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Idaho </Th> <Td>? </Td> <Td> 20: for beer 21: for wine and liquor </Td> <Td> 1972: Lowered to 19 (all) </Td> <Td> 1987: Raised to 21 in 1987 (Apr 11) with grandfather clause </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Illinois </Th> <Td> 1872: Age of majority (none with written consent of parent) </Td> <Td> pre 1961: Age of majority 1961: Raised to 21 </Td> <Td> 1973: Lowered to 19: for beer and wine 21: for liquor </Td> <Td> 1980: Raised to 21 </Td> <Td> 21 </Td> </Tr> <Tr> <Th> Indiana </Th> <Td>? </Td> <Td> Post-1934: 21 </Td> <Td> 21 </Td> <Td> 21 </Td> <Td> 21 </Td> </Tr>

When did drinking age changed to 21 in illinois