On What Date Was Canton Trade Days Founded?

As of 2015, the exact date on which the first Canton Trade Days flea market was held. The First Monday Trade Days website indicate that the event first began during the 1850s on the first Monday of each month

The event, which is also known as the First Monday Trade Days, was first informally held as part of court proceedings in the city of Canton with the city's circuit judge presiding over it. Canton Trade Days are generally no longer held on Mondays but are instead held during the weekend that precedes the first Monday of the month that falls between a Thursday and Sunday.