Wal-Mart made history on Friday when it named a black woman the first female and African American CEO of Sam’s Club.

Source: The Root Rosalind Brewer, 49, was the former president of the retailer’s U.S. East business unit. She also held a number of executive positions at Kimberly-Clark Corp. She begins her position on Feb. 1. Wal-Mart’s Sam’s Club warehouse business accounts for 12 percent of Wal-Mart’s annual sales. Revenue rose 5.7 percent at the store …