On this dayOctober 3112 shows by Grateful Dead on October 31, across 12 years.Everyone 50Widespread Panic 22Phish 13Grateful Dead 12Dead and Company 1Joe Russo's Almost Dead 1Ween 131Oct1966Grateful DeadCalifornia HallSan Francisco, CA2 songs31Oct1967Grateful DeadWinterlandSan Francisco, CA1 songs31Oct1969Grateful DeadSan Jose State CollegeSan Jose, CA15 songs31Oct1970Grateful DeadPritchard Gym, S.U.N.Y.Stony Brook, NY31Oct1971Grateful DeadOhio TheatreColumbus, OH21 songs31Oct1979Grateful DeadNassau ColiseumUniondale, NY20 songs31Oct1980Grateful DeadRadio City Music HallNew York, NY29 songs31Oct1983Grateful DeadMarin Veterans Memorial AuditoriumSan Rafael, CA19 songs31Oct1984Grateful DeadBerkeley Community TheaterBerkeley, CA22 songs31Oct1985Grateful DeadCarolina Coliseum Arena, Univ. of S. CarolinaColumbia, SC18 songs31Oct1990Grateful DeadWembley ArenaLondon22 songs31Oct1991Grateful DeadOakland-Alameda County Coliseum ArenaOakland, CA20 songs