Historical clue formulations

• Explosive sound — 2026-08-30
• Big report — 2017-08-03
• Explosion sound — 2016-04-25
• Major report — 2013-10-05
• Explosion sound — 2013-07-23
• Big bang — 2013-03-25
• Big blast — 2009-10-09
• Big bang — 2009-04-08
• Not just a bang — 2006-09-13
• Comic book blast — 2006-09-05
• Bomb sound — 1998-07-15