March 23, 1903

Automobile license plates came to Missouri on this day. The same legislation set a state speed limit of nine miles per hour and required automobiles to sound a horn or a bell before passing a horse-drawn vehicle.

This post was contributed by Ross Malone. A historian and a retired school teacher, Ross has authored many books about Missouri’s history, weird facts, and folk tales. He has also written children’s historical fiction. Visit his website, and buy his books in the Missouri Life store.