Historical clue formulations

• Like fondue, traditionally — 2026-07-18
• Like the pope's guards — 2025-12-26
• Like chicken cordon bleu, originally — 2023-01-22
• Reuben ingredient — 2022-01-25
• Like many high-end watches — 2021-09-21
• Like Roger Federer and Martina Hingis — 2021-04-13
• ___ Army knife — 2020-02-25
• Airline to Geneva — 2020-02-09
• Roger Federer's nationality — 2020-02-04
• Pastrami go-with — 2019-03-01
• Cheese with holes — 2017-12-04
• With 43- and 76-Across, camping aid — 2017-05-22
• Cheese choice — 2017-02-01
• Partner of 50-Across — 2017-01-21
• From Zurich, e.g. — 2016-10-11
• Like Vatican guards — 2015-10-18
• Deli selection — 2015-07-02
• Cheese choice — 2014-12-17
• Notable watchmakers — 2013-08-06
• Holey cheese — 2013-07-08
• Tell, e.g. — 2011-04-24
• Cheese with eyes — 2008-12-14
• Like the mathematician Euler — 2008-11-23
• Holey cheese — 2007-02-12
• Cheese choice — 2006-01-31
• It's full of holes — 2005-10-22
• Partner of ham — 2002-11-26
• Deli order — 2002-05-04
• Cheese choice — 2000-04-15
• Watch word? — 2000-01-12
• Paul Klee or Max Frisch, e.g. — 2000-01-09
• Emmenthaler — 1998-01-02
• Kind of cheese — 1997-04-15
• Word with guard or chard — 1996-12-22
• Kind of cheese — 1996-12-09
• Like many watches — 1996-05-22
• Ham go-with — 1995-09-20
• Davos denizens — 1995-07-30
• Food that's hole-some? — 1994-06-29
• Ham go-with — 1994-03-13