Historical clue formulations

• Retail giant that opened its first store in Seattle in 1983 — 2025-08-09
• Where more hot dogs are sold than at all Major League Baseball stadiums combined — 2023-10-13
• Rival of Sam's Club — 2023-01-31
• Bulk-purchase retailer — 2019-12-26
• World's second-largest retailer — 2016-05-20
• Sam's Club competitor — 2008-02-10