Historical clue formulations

• Runner-up to Affirmed in every 1978 Triple Crown race — 2020-04-18
• Affirmed's rival for the Triple Crown — 2016-10-29
• Runner-up in every 1978 Triple Crown race — 2015-07-12
• Affirmed's 1978 Triple Crown archrival — 2007-03-15
• Archrival of Affirmed — 2001-03-25
• Three-time placer in the 1978 Triple Crown — 1999-11-14