The Security National Bank of Viborg
| Status: | Inactive as of 07/31/1971 |
| Merger - Without Assistance | |
| Successor Bank: | First PREMIER Bank |
| Headquarters: | The Security National Bank of Viborg Main And Blaine Avenues Viborg, SD 57070 |
| Established: | 01/01/1932 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #4022 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
History
| 1932-01-01 | Institution established: Original name:The Security National Bank of Viborg | |
| 1971-07-31 | Acquired Rushmore State Bank (16401) in RAPID CITY, SD | |
| 1971-07-31 | Changed name to United National Bank of South Dakota (6085) | |
| 1971-07-31 | Merged into and subsequently operated as part of United National Bank of South Dakota (6085) in RAPID CITY, SD | |
| 1971-10-01 | Changed name to United National Bank (6085) | |
| 1976-02-17 | Acquired Union Bank & Trust (6068) in SIOUX FALLS, SD | |
| 1976-02-17 | Moved bank headquarters from RAPID CITY, SD to SIOUX FALLS, SD | |
| 1978-11-04 | Acquired Rosholt Community Bank (6082) in ROSHOLT, SD | |
| 1985-10-11 | Acquired SunBank of South Dakota (22005) in SIOUX FALLS, SD | |
| 1985-10-17 | Acquired United National Bank (9001) in WATERTOWN, SD | |
| 1985-12-02 | Acquired Farmers State Bank, of Kranzburg, S. D. (12647) in KRANZBURG, SD | |
| 1988-05-27 | Changed name to First Interstate Bank of South Dakota, National Association (6085) | |
| 1992-10-01 | Changed name to First Premier Bank, National Association (6085) | |
| 1996-06-24 | Changed primary regulatory agency from COMPTROLLER OF THE CURRENCY to FEDERAL RESERVE BOARD | |
| 1996-06-24 | Changed name to First PREMIER Bank (6085) |