| 1914 | The First National Bank of Beattie in Beattie, Kansas was founded as a locally owned, community bank to serve the needs of this north-central Kansas farming community. By the end of the year, bank’s total assets were $86,000. | |
| 1928 | Bank assets reached $167,000 prior to the Great Depression. | |
| 1932 | Bank survived the Great Depression, but the other local bank didn’t. Bank assets shrank to $107,000. | |
| 1966 | Makalous family purchases bank. | |
| 1979 | Edwin L. Nutt purchases bank. Bank assets are approximately $2 million. | |
| 1984 | Name changed to Marshall County Bank of Beattie. | |
| 2000 | Robert M. Wiley led group purchases bank. Bank assets are approximately $6 million. | |
| 2001 | Bank opens branch in Olathe, Kansas on 151st Street. | |
| 2002 | Name changed to Bank of the Prairie. Bank main office transferred to Olathe, Kansas. | |
| 2006 | Bank reaches $100 million in assets. | |
| 2008 | Opened second bank in Olathe, Kansas at College Boulevard and K-7. | |
