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Glacier Bank, History
The following are major historical events for Glacier Bank, including mergers and acquisitions.
| 1955-07-15 | Institution established: Original name:First Federal Savings Bank of Montana | |
| 1984-07-31 | Changed organization type to STOCK SAVINGS BANK | |
| 1989-01-01 | Acquired Glacier National Bank (22272) in COLUMBIA FALLS, MT | |
| 1992-12-01 | Changed name to Glacier Bank F.S.B. | |
| 1998-02-01 | Changed organization type to COMMERCIAL BANK | |
| 1998-02-01 | Changed name to Glacier Bank | |
| 1998-02-01 | Reorganized. | |
| 2007-01-27 | Acquired First Citizens Bank, National Association (26682) in COLUMBIA FALLS, MT | |
| 2008-05-01 | Acquired Glacier Bank of Whitefish (2204) in WHITEFISH, MT | |
| 2011-04-19 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2011-04-19 | Changed primary regulatory agency from OFFICE OF THRIFT SUPERVISION to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 2012-04-30 | Acquired Mountain West Bank (33844) in COEUR D ALENE, ID | |
| 2012-04-30 | Acquired First Security Bank of Missoula (21010) in MISSOULA, MT | |
| 2012-04-30 | Acquired Western Security Bank (57248) in BILLINGS, MT | |
| 2012-04-30 | Acquired 1ST BANK (16522) in EVANSTON, WY | |
| 2012-04-30 | Acquired Valley Bank of Helena (22747) in HELENA, MT | |
| 2012-04-30 | Acquired Citizens Community Bank (34459) in POCATELLO, ID | |
| 2012-04-30 | Acquired Big Sky Western Bank (32871) in BOZEMAN, MT | |
| 2012-04-30 | Acquired Bank of the San Juans (34873) in DURANGO, CO | |
| 2012-04-30 | Acquired First Bank of Wyoming (2226) in POWELL, WY | |
| 2012-04-30 | Acquired First Bank of Montana (2191) in LEWISTOWN, MT | |
| 2013-06-01 | Acquired First State Bank (23318) in WHEATLAND, WY | |
| 2013-08-01 | Acquired North Cascades National Bank (26846) in CHELAN, WA | |
| 2014-08-31 | Acquired First National Bank of the Rockies (3041) in GRAND JUNCTION, CO | |
| 2015-02-28 | Acquired Community Bank, Inc. (1979) in RONAN, MT | |
| 2015-10-31 | Acquired Canon National Bank (21801) in CANON CITY, CO | |
| 2016-09-01 | Acquired Treasure State Bank (58454) in MISSOULA, MT | |
| 2017-05-01 | Acquired The Foothills Bank (34573) in YUMA, AZ | |
| 2018-01-31 | Acquired Collegiate Peaks Bank (26916) in BUENA VISTA, CO | |
| 2018-02-28 | Acquired First Security Bank (1520) in BOZEMAN, MT | |
| 2019-04-29 | Acquired The First National Bank of Layton (2260) in LAYTON, UT | |
| 2019-07-31 | Acquired Heritage Bank of Nevada (34072) in RENO, NV | |
| 2020-02-29 | Acquired State Bank of Arizona (33508) in LAKE HAVASU CITY, AZ |