sentences:  Jeffersonville was platted in 1802, and on 9 June the Territorial Governor (William Henry Harrison) ordered that it be regarded as the county seat.However, on 14 December 1810, the seat designation was given to Charlestown, which retained the designation until 1873, when on 23 September the Jefforsonville mayor (Luther Warder) successfully campaigned for the county seat's return.From its beginning Clark County's history, culture and growth have been linked to the development of the river.