Historical clue formulations

• Podium delivery — 2024-07-17
• National Forensic League skill — 2012-01-22
• Keynote, e.g. — 2010-01-29
• It may begin with an exordium — 2009-06-05
• Sound from a speaker — 2005-12-10
• Talk — 2004-12-18
• Sermon — 1999-11-08
• Address — 1997-04-13
• Address — 1995-04-09
• Anagram of 15-Across — 1994-04-20