Historical clue formulations

• Buckeyes — 2024-06-11
• Seven U.S. presidents, by birth — 2016-04-10
• Buckeyes — 2011-05-25
• Buckeyes — 2004-04-22
• The Wright brothers, e.g. — 2000-09-03
• Glenn and Metzenbaum — 1994-08-28