The following are a list of major historical events for BankFirst, including mergers and acquisitions.
|1970-02-09||Institution established: Original name:Bank of Norfolk|
|1986-09-16||Change trust powers from TRUST POWERS NOT GRANTED to FULL TRUST POWERS GRANTED|
|1986-10-29||Acquired First Savings Company of Norfolk (24622) in NORFOLK, NE|
|2002-11-16||Acquired Columbus FSB (29775) in COLUMBUS, NE|
|2002-11-18||Changed name to BankFirst|
|2018-12-10||Acquired Iowa - Nebraska State Bank (8354) in SOUTH SIOUX CITY, NE|