Historical clue formulations

• Bills worth 100 buckaroos — 2025-10-17
• $100 bills, in slang — 2020-07-30
• Uncle ___ — 2015-11-29
• Uncle ___ — 2011-08-11
• Uncle ___ — 2010-10-03
• Uncle ___ — 2010-02-19
• Uncle ___ rice — 2009-05-06
• Uncle ___ — 2007-12-23
• Uncle ___ rice — 2005-12-18
• Uncle ___ — 2003-08-15
• Uncle ___ — 2003-06-08
• Uncle ___ — 2001-10-14
• Uncle ___ — 2000-06-07
• Blue and Cross — 1999-08-21
• Kingsley et al. — 1994-08-24
• Writer Hecht and others — 1994-08-08