Historical clue formulations

• Enlightening experiences ... or what 18-, 26-, 41- and 54-Across have, phonetically speaking — 2022-11-08
• Revelations — 2022-02-26
• Epiphanies — 2021-10-08
• Epiphanies — 2011-12-08
• Surprises — 2011-02-19
• Pieces of surprising news — 2010-04-03