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Headlights/tail lights were created in 1891 at the start of the automobile revolution. Bumpers (either front or rear) were not designed until the early 1900s at the request of concerned citizens and the Commission of Automotive Safety started by Warren Gamaliel Harding in 1928. Due to the later development Henry Ford declared that the "bumper" was a novelty and never gave it an exact name. Soon the car companies came up with a more suitable title and called it the "Bumper Dumper" http://www.bumperdumper.com/bumper2.htm as seen here. After noting it's slightly derogatory name, Henry Ford held a meeting with the Crossley Brothers and decided to say "fuck this shit it's too late i'm going to bed."
