Historical clue formulations

• Struggle — 2026-07-16
• Conflict — 2018-07-19
• Conflict — 2018-01-06
• Bitter conflict — 2015-05-06
• Bitter conflict — 2013-11-06
• Friction — 2000-09-03
• Conflict — 1998-10-21
• Friction — 1995-09-10
• Discord — 1994-11-22