Dedicated to all those whose lives were taken in the first atomic bombings, 40 years ago this week in Hiroshima and Nagasaki ... and to all who strive to rid the world of nuclear weapons and the threat of nuclear war. Manchester City Council 1945 - August 6th - 1986 Hiroshima Day. This plaque unveiled on the 40th anniversary of the Hiroshima bombing by Hibakusha - (Hiroshima survivors)