Historical clue formulations

• Twosomes — 2024-09-20
• Couples — 2018-12-05
• Couples — 2018-03-07
• Couples — 2014-10-17
• Twosomes — 2013-12-15
• Pairs accumulated in 500 days — 2009-09-19
• Twosomes — 2005-07-25
• Pairs — 1996-07-10