Texas Maine portal Years portal 1990s portal This category is for topics specifically related to the year 1991 in the U.S. state of Maine. 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 Subcategories This category has the following 2 subcategories, out of 2 total. / ► 1991 disestablishments in Maine (2 P)► 1991 establishments in Maine (4 P)