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On this day: February 12

Published On: Feb 11 2013 06:16:08 PM CST   Updated On: Feb 12 2014 01:00:00 AM CST

Charles Darwin and Abe Lincoln share a birthday, Superman makes his radio debut, President Clinton is acquitted in his impeachment trial, and Charles Schulz dies, all on this day.

OTD February 12 - Ohio metric signs
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Ohio Department of Transportation

1973: The state of Ohio goes metric, becoming the first in the U.S. to post metric distance signs. Four signs were initially erected along Interstate 71, but more soon followed.

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