Historical clue formulations

• Track-and-field event with a 16-pound ball — 2026-02-09
• *Decathlon event — 2016-12-07
• Event with a 16-pound ball — 2008-11-05
• Casting event — 2003-12-06
• Decathlon event — 2002-08-20
• Heavyweight event? — 2001-01-20
• Field event — 1998-07-18
• Olympics event — 1996-02-04