Historical clue formulations

• Broadway's "For Colored Girls Who Have Considered Suicide / When the Rainbow Is ___" — 2025-06-18
• Sufficient, informally — 2021-10-03
• Ample, informally — 2020-01-15
• Sufficient, in brief — 2016-04-17
• Ample, informally — 2015-06-15
• Sufficient, informally — 2014-12-14
• Sufficient, informally — 2014-05-28
• Ample, informally — 2014-04-13
• Plenty, informally — 2011-12-21
• Adequately, to Li'l Abner — 2011-10-19
• Sufficient, informally — 2011-09-21
• Sufficient, informally — 2011-07-23
• Sufficient, informally — 2009-09-06
• Ample, informally — 2009-06-28
• Sufficient, informally — 2008-05-04
• Ample, to Li'l Abner — 2007-11-04
• Sufficient, informally — 2006-09-05
• Sufficient, informally — 2004-10-31
• Ample, informally — 2002-04-07
• Adequate, informally — 1999-11-23
• Plenty, informally — 1999-10-05
• Plenty: Var. — 1996-12-12