Historical clue formulations

• Discontinued grocery chain that was once the U.S.'s largest retailer — 2020-11-20
• Grocery chain that closed in 2015 after 156 years in business — 2019-01-26
• Supermarket chain until 2015 — 2017-03-17
• U.S.'s first grocery chain — 2014-12-14
• Supermarket chain — 2006-09-10
• 1961 John Updike story set in a grocery store — 2005-01-09
• Supermarket chain — 2004-08-27
• Food chain? — 2002-10-25
• Kroger competitor — 2002-09-08
• Supermarket chain — 2000-02-09
• Grocery chain — 1995-05-28