Köhler planted an improvised explosive device in a dustbin on 26 September 1980, near one of the entrances to the Oktoberfest; it exploded at 10:19 PM (GMT+1), killing 13 and injuring over 200.
Köhler's act of planting an explosive device near the Oktoberfest entrance on September 26, 1980, at 10:19 PM GMT+1 resulted in a tragic loss of life and injuries.