what year did the legal drinking age change in Ohio?
Illinois adopted an MLDA 21 law in 1980, raised from age 19. Indiana had a 21 year old minimum drinking age law since the 1930s. Michigan was the earliest state to change its MLDA from 18 to 21 in a single step, having done so in 1978. Ohio changed its MLDA from 18 to 19 in 1982 then to age 21 in 1987.Wisconsin went from age 18 to 19 in 1984 then to age 21 in 1986.owa changed its MLDA from 18 to 19 in 1978 and to age 21 in 1986. Kansas changed from 18 to 21 in a single step in 1985. Minnesota increased its MLDA from 18 to 19 in 1976 and to 21 in 1986. North Dakota had a 21 year-old minimum drinking age dating back to the 1930s and Missouri had an age 21 law since 1945.