Historical clue formulations

• Lets up — 2024-10-25
• Stops being stubborn — 2022-05-07
• Backs down — 2018-02-11
• Softens — 2006-01-18
• Lets up — 2004-07-02
• Yields — 1996-03-10
• Yields — 1994-12-24
• Caves in — 1994-12-12
• Softens — 1994-07-27