Historical clue formulations

• Measure up to, as in competition — 2026-08-12
• Sooner, to a Longhorn — 2025-07-12
• Harvard, to Yale — 2024-11-25
• Competitor — 2024-06-26
• Coke, to Pepsi — 2023-11-21
• Be as good as — 2022-07-15
• Archcompetitor — 2021-12-27
• Archcompetitor — 2021-11-29
• Compete with — 2021-04-04
• Compete with — 2021-03-24
• Archcompetitor — 2020-06-30
• Competitor — 2019-12-01
• A Hatfield vis-à-vis a McCoy — 2019-09-04
• Real Madrid vis-à-vis F.C. Barcelona — 2018-12-09
• #2, to #1 — 2018-10-13
• Hamilton, to Burr — 2018-01-25
• Opposite corner in a romantic triangle — 2017-04-09
• Navratilova, to 45-Across, e.g. — 2016-09-09
• Fischer, to Spassky, e.g. — 2016-08-21
• Coke, to Pepsi — 2015-10-25
• One in a love triangle, maybe — 2014-12-10
• Match — 2014-11-01
• Lakers, to Celtics, e.g. — 2014-10-12
• Coke, to Pepsi — 2011-01-19
• Nearby school, maybe — 2010-05-23
• Foe — 2009-05-31
• Pepsi vis-à-vis Coke — 2008-01-15
• Adversary — 2007-12-13
• Ken-L Ration competitor — 2005-11-30
• Try to beat — 2005-11-04
• Another suitor — 2002-12-28
• Compete with — 2002-03-10
• Play against — 2002-01-24
• Paris, to Romeo — 2002-01-16
• Letterman, to Leno — 1999-12-28
• Coke vis-à-vis Pepsi — 1999-11-15
• Competing — 1997-07-26
• Burger King, to McDonald's — 1996-12-17
• Competitor — 1995-11-15
• Oppose — 1995-03-18
• Contend with — 1994-09-11