Florida Montana portal1970s portalUnited States portalHistory portal This category is for topics specifically related to the year 1978 in the U.S. state of Montana. 19731974197519761977197819791980198119821983 1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s Subcategories This category has the following 4 subcategories, out of 4 total. / 1978 disestablishments in Montana (3 P) 1978 establishments in Montana (9 P)E 1978 Montana elections (2 P)S 1978 in sports in Montana (5 P)