🚂💥 The wildest ride in the wilderness is celebrating 45 years! Big Thunder Mountain Railroad officially opened at Magic Kingdom on this day back in 1980. Although those runaway mine trains on Big Thunder Mountain Railroad, seemingly with a mind of their own, had already been rumblin’ and thrillin’ guests since the attraction’s "soft" opening in September, the wildest ride in the wilderness officially made its grand debut at Magic Kingdom on this day in November 8th 1980! While the mountain’s c