Millfield Coal Mine Disaster

Historical marker location:

Millfield, Ohio

( Marker is on Millfield-Jacksonville Road (County Route 27), on the right when traveling east.)

Marker installed: 1980

November 5, 1930.

The Cincinnati Reds, one of Ohio's two Major League Baseball teams (along with the Cleveland Indians), were the first professional baseball team to wear uniforms with numbers on them. They did so in 1911, to help fans identify players more easily.