67 years ago today... American Drops Bomb on Hiroshima 66 years ago today... http://www.history.com/this-day-in-h...b-on-hiroshima 71 years ago today... A year short of seven decades ago today... Seven decades ago today... 67 years ago today... A year short of seven decades ago today... Hiroshima Seven decades ago today... 72 years ago today... www.history.com... Hiroshima second atomic bomb 71 years ago today... 66 years ago today... second atomic bomb American bomber drops atomic bomb on Hiroshima http://www.history.com/this-day-in-h...b-on-hiroshima 66 years ago today... 67 years ago today... second atomic bomb 72 years ago today... 71 years ago today... second atomic bomb 68 years ago today...