| Timeline, for further information see: http://www.grinnelliowa.gov/SullivanBank/Index.html |
| 1913 |
Sullivan sketches bank design while in Grinnell. November. |
| 1914 |
Merchants National Bank built for $60,000 for staff of six to eight persons. |
| 1915 |
Doors opened for business (January 1). |
| 1924 |
Merchants National Bank closed, a victim of the agricultural depression of the 1920s. |
| 1926 |
Citizens National Bank purchased and occupied building. |
| 1930 |
June 16, Poweshiek County National Bank opened its doors to the public, as the Brenton family took over the Citizens National Bank. |
