Historical clue formulations

• Department store eponym — 2026-02-01
• Department store eponym — 2023-09-01
• R&B singer Gray — 2020-06-25
• Soul singer Gray — 2020-04-09
• Gray with the 3x platinum album "On How Life Is" — 2020-03-07
• Department store founder R. H. ___ — 2017-07-18
• Gray of R&B — 2016-01-08
• Department store chain founder — 2014-08-29
• Department store chain founder — 2008-11-28
• Department store founder — 2003-03-09
• Wanamaker contemporary — 1998-03-21
• Retailer R.H.___ — 1996-05-26
• Retailer R.H. — 1995-10-26
• Merchant R. H. _____ — 1994-01-13