[6] The company sponsors Regions Field, a Minor League Baseball stadium in Birmingham, Alabama, and the Tradition golf tournament.

[7] In 2019, the company expanded its Workday, Inc. system in partnership with EnterpriseAlumni to engage and enable ex-employees to extend their corporate social responsibility initiatives.

[10] It served as a hospital for Union soldiers during the American Civil War, and once held a rifle owned by Frank James as collateral for bail money when he was incarcerated across the street in the Madison County Jail.

[11] Regions added banking branches in Alabama, Georgia, Tennessee, Florida, South Carolina, Texas, Louisiana, and Arkansas.

The merger significantly increased Regions' footprint in Tennessee; Union Planters had been the largest Tennessee-based bank.

[25][26] In February 2009, FirstBank Financial Services of McDonough, Georgia, was also placed into receivership by the FDIC and Regions Bank assumed its operations.

[33] In 2011, Regions paid $200 million to settle with the U.S. Securities and Exchange Commission over mispricing risky mortgage-backed bonds in its conservative mutual funds in its Morgan Keegan subsidiary.

[37] The CFPB also found that Regions misrepresented overdraft and non-sufficient fund fees related to the bank's short-term loan program.

From August 2018 through July 2021, Regions charged customers surprise overdraft fees on certain ATM withdrawals and debit card purchases.