June 18, 2011 — Oldest Light Bulb’s Birthday, 110 years old — Livermore, California

light bulb 110 birthday


  • It’s at the Livermore-Pleasanton Fire Department.
  • It burns continuously as a night light over the fire trucks.
  • It originally was a 60 watt bulb. It now shines at 4 watts.
  • It’s been declared the oldest known working light bulb by Guinness Book of World Records and Ripley’s Believe-It-or-Not.
  • Ripley’s has it for their museum once it burns out.
  • If you can’t make it to the firehouse to watch this famous light bulb, you can watch it on the firehouse’s bulb cam: http://www.centennialbulb.org/photos.htm