On September 6, 1864, Ottawa was founded along the south side of the Marais des Cygnes River. The town was incorporated in 1866, and, in 1867, voted to become a City of the Second Class under the guidelines established by the State of Kansas.
On September 6, 1864, Ottawa was founded along the south side of the Marais des Cygnes River. The town was incorporated in 1866, and, in 1867, voted to become a City of the Second Class under the guidelines established by the State of Kansas.