Historical clue formulations

• Split — 2024-04-28
• Halved — 2020-08-24
• Halved, perhaps — 2019-12-06
• Split down the middle — 2017-11-04
• Halved — 2017-06-20
• Words following 61-/62-Across, appropriately — 2017-01-12
• Halved — 2013-07-11
• How some hearts are broken — 2012-01-13
• Bisected — 2010-02-04
• Cloven — 2009-06-21
• One way to be divided — 2006-11-10
• Bisected — 2005-10-29
• Divided — 2001-06-20
• Bisected — 2000-02-20
• Halved — 1999-10-28