Historical clue formulations

• Beef — 2025-02-01
• Beef, maybe — 2023-09-17
• Reality show fodder — 2023-07-23
• Plot driver in "Romeo and Juliet" — 2023-07-16
• Beef that's aged? — 2023-03-16
• Ongoing quarrel — 2022-05-29
• "Family ___" — 2022-01-18
• Family matter, maybe — 2021-08-14
• Fight protractedly — 2020-01-16
• Nasty, long-running dispute — 2019-10-14
• Rhubarb with deep roots? — 2017-04-09
• Ongoing dispute — 2016-01-11
• Long row — 2015-04-30
• Quarrel — 2015-04-16
• Blood problem, maybe — 2015-01-16
• Fight between late-night hosts, e.g. — 2014-09-22
• Long-term hostility — 2012-04-17
• Long row — 2010-01-30
• Hatfield/McCoy affair — 2010-01-05
• Hatfield/McCoy affair — 2009-06-22
• Row between houses? — 2007-11-04
• "Family ___" — 2006-10-15
• Family problem — 2004-02-04
• More than a tiff — 2003-06-18
• Clash of clans — 2000-04-02
• Clash of clans — 1999-04-27
• TV's "Family ___" — 1999-04-11
• Family problem — 1999-03-30
• Family troubles — 1998-08-16
• Hatfield-McCoy affair — 1997-12-08
• More than an argument — 1996-07-17