Historical clue formulations

• Timing of the Mercutio/Tybalt duel in "Romeo and Juliet" — 2021-12-22
• When Hamlet gives his "To be, or not to be" soliloquy — 2020-02-25
• When Banquo dies in "Macbeth" — 2016-12-02
• Part of many plays, but not "Waiting for Godot" — 2015-06-04
• Middle part of a Shakespearean play — 2012-07-30
• When Hamlet says "To be or not to be" — 2009-08-26
• End of "Lohengrin" — 2006-08-06
• When Nora leaves Torvald in "A Doll's House" — 2006-01-06
• Play ender, often — 2003-10-18