Historical clue formulations

• Stadium with the first animated scoreboard — 2023-05-14
• Stadium whose first home run was hit by Mickey Mantle — 2016-12-30
• Site of the 1992 Republican National Convention — 2014-02-22
• Houston landmark — 2004-05-17
• Competition site beginning 1965 — 2001-11-03
• Site of the 1973 Riggs/King "Battle of the Sexes" — 2000-06-04
• Oiler locale — 1994-09-03