| Event Date | Historical Event |
| 1969-12-31 | FIRST EMPIRE STATE CORPORATION located at ONE M&T PLAZA, BUFFALO, NY was established as a Bank Holding Company. |
| 1998-05-29 | FIRST EMPIRE STATE CORPORATION was renamed to M&T BANK CORPORATION. |
| 2011-03-01 | M&T BANK CORPORATION changed from Bank Holding Company to Financial Holding Company - Domestic. |