Historical clue formulations

• Said "%$#@!" — 2025-04-15
• Said a 96-Across — 2020-05-24
• Promised — 2019-04-05
• Declared on a stack of Bibles — 2018-06-06
• Used foul language — 2017-10-23
• Delivered an oath? — 2017-07-14
• Promised — 2015-08-09
• Said with one's hand on a stack of Bibles — 2014-08-12
• Promised — 2008-08-03
• Talked a blue streak? — 2007-04-29
• Talked a blue streak? — 2005-11-27
• Cursed — 2005-03-07
• Made a statement on a stack of Bibles? — 2005-01-24
• Cursed — 2004-11-15
• Bore witness (to) — 2003-05-04
• Talked impolitely — 2001-10-23
• Used colorful language — 1997-01-14
• Gave an oath — 1994-12-05
• Vowed — 1994-11-09
• Prepared to testify — 1994-09-20