Historical clue formulations

• Deep split — 2025-07-13
• Ideological split — 2024-05-14
• Big break — 2023-12-22
• Sharp split — 2020-12-15
• Split — 2020-09-17
• Split — 2020-08-30
• Serious rift — 2017-09-05
• Deep divide — 2015-07-30
• Big break — 2012-10-07
• Division — 2010-06-20
• Big break — 2010-02-26
• Separation — 2006-09-10
• The Protestant Reformation, e.g. — 2002-11-17
• Division — 2000-06-02
• Sharp divide — 2000-01-10
• Religious rift — 1995-02-01