May 12 — same date every year

Long and fascinating history

In ancient Greece, before mechanical odometers, distances were measured by “bematists” — specialists trained to measure distances by counting their steps.

Although they may have existed earlier, the first descriptions of odometers found so far are from the first century AD.

Model of odometer described by Hero of Alexandria (10 – 70 AD)

During the Han Dynasty in China, independent of what was happening in Greece and the Roman Empire, odometers were invented in China.

Stone rubbing of odometer cart

Much more of the history can be found here:

Dullsters like to photograph their odometers at signicant milage points and post them on our Facebook group. We put these posts on this website — category page Odometer Readings,

Nartnional Odometer Day is May 12. It was the day in 1847 William Clayton, a Morman pioneer, invented his “Roadmometer” that was attached to a wagon heading west to Utah.