On this day: August 6

POSTED: 3:21 PM PDT August 3, 2012    UPDATED: 11:00 PM PDT August 5, 2013 
Hiroshima atomic bomb aftermath

The electric chair is used for the first time, a TV great and pop art legend share a birthday, America drops the A-bomb on Hiroshima, and the country's first Hispanic Supreme Court justice is confirmed, all on this day.