M&I Bank of Southern Wisconsin
| Status: | Inactive as of 06/01/2001 |
| Merger - Without Assistance | |
| Successor Bank: | M&I Marshall and Ilsley Bank |
| Headquarters: | M&I Bank of Southern Wisconsin 1 West Main Street Madison, WI 53701 |
| Established: | 01/22/1923 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #13042 |
| Charter Class: | Commercial bank, state charter and Fed member, supervised by the Federal Reserve (FRB) |
| Total Assets: | $2,704,312,000 |
| Total Deposits: | $1,909,350,000 |
History
| 1923-01-22 | Institution established: Original name:Bank of Madison | |
| 1974-02-01 | Changed name to Affiliated Bank of Madison | |
| 1981-06-01 | Changed name to M&I Bank of Madison | |
| 1987-08-26 | Change trust powers from FULL TRUST POWERS GRANTED to TRUST POWERS TERMINATED | |
| 1988-08-12 | Acquired M&I Bank of Middleton (20232) in MIDDLETON, WI | |
| 1991-08-01 | Acquired M&I Bank of Hilldale (18337) in MADISON, WI | |
| 1991-08-01 | Changed name to M&I Madison Bank | |
| 1994-08-01 | Acquired Valley Bank (13041) in MADISON, WI | |
| 1995-12-22 | Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to FEDERAL RESERVE BOARD | |
| 1997-06-01 | Changed name to M&I Bank of Southern Wisconsin | |
| 1997-06-01 | Acquired M&I Bank Southwest (15072) in SPRING GREEN, WI | |
| 2001-06-01 | Acquired M&I Bank of Southern Wisconsin in MADISON, WI | |
| 2001-06-01 | Acquired M&I Thunderbird Bank (24792) in PHOENIX, AZ | |
| 2001-06-01 | Merged into and subsequently operated as part of M&I Marshall and Ilsley Bank (1020) in MILWAUKEE, WI | |
| 2001-11-01 | Acquired National City Bank of Minneapolis (19081) in MINNEAPOLIS, MN | |
| 2002-06-01 | Acquired Century Bank, National Association (33244) in EDEN PRAIRIE, MN | |
| 2002-06-01 | Acquired Richfield Bank & Trust Co. (16538) in RICHFIELD, MN | |
| 2003-02-01 | Acquired SOUTHWEST BANK OF PHOENIX (57116) in PHOENIX, AZ | |
| 2006-04-03 | Acquired Gold Bank (13155) in LEAWOOD, KS | |
| 2007-06-27 | Acquired United Heritage Bank (57108) in ORLANDO, FL | |
| 2007-08-01 | Acquired Excel Bank Minnesota (19355) in MINNEAPOLIS, MN | |
| 2008-02-02 | Acquired First Indiana Bank, National Association (29057) in INDIANAPOLIS, IN | |
| 2010-07-01 | Acquired Southwest Bank, An M&I Bank (1081) in SAINT LOUIS, MO | |
| 2011-07-05 | Changed name to BMO Harris Bank National Association (16571) | |
| 2011-07-05 | Acquired M&I Marshall and Ilsley Bank (1020) in MILWAUKEE, WI | |
| 2011-07-05 | Merged into and subsequently operated as part of BMO Harris Bank National Association (16571) in CHICAGO, IL | |
| 2011-07-05 | Acquired The Harris Bank National Association (24960) in SCOTTSDALE, AZ | |
| 2011-07-05 | Acquired M & I Bank NATIONAL ASSOCIATION (28923) in LAS VEGAS, NV | |
| 2012-02-07 | Reorganized. | |
| 2012-02-09 | Reorganized. | |
| 2012-04-20 | Reorganized. | |
| 2012-05-01 | Reorganized. | |
| 2012-06-01 | Reorganized. | |
| 2012-07-01 | Reorganized. | |
| 2012-08-01 | Reorganized. | |
| 2012-09-01 | Acquired M&I National Trust Company (34833) in MILWAUKEE, WI | |
| 2012-09-04 | Reorganized. |