Historical clue formulations

• Words repeated by Lady Macbeth in Act V, Scene 1 — 2018-11-13
• Phrase said five times by Lady Macbeth soon after "Out, damned spot!" — 2017-10-21
• Go ___ (turn in) — 2003-10-10
• "And so ___" — 2001-11-04
• "And so ___" — 1997-01-21