Historical clue formulations

• Thom ___ (shoe brand) — 2021-05-13
• Last name in shoes — 2021-05-09
• Last name on a shoe box — 2020-01-31
• Classic shoe name — 2019-11-17
• Thom ___ shoes — 2016-08-21
• Thom ___ shoes — 2015-12-20
• Last name on a 40-Down — 2015-02-28
• Thom ___ shoes — 2013-10-28
• Big name in footwear — 2012-05-18
• Thom ___ footwear — 2011-01-11
• Thom ___ shoes — 2011-01-05
• Big name in footwear — 2009-09-12
• Big name in footwear — 2008-08-15
• Name on a shoe — 2008-08-02
• Footwear giant Thom ___ — 2008-07-16
• Big name in footwear — 2006-11-04
• Thom ___ shoes — 2004-04-12
• Shoemaker Thom — 2001-09-09
• Thom ___ shoes — 2001-06-17
• Thom ___ shoes — 2000-10-06
• Thom ___ shoe stores — 1998-11-04
• Shoemaker Thom — 1998-06-30