Historical clue formulations

• Highly anomalous — 2026-09-13
• Screwy — 2025-06-11
• Out of the ordinary — 2024-09-28
• Like the three sisters of "Macbeth" — 2024-05-26
• "That's odd" — 2022-11-06
• Bizarre — 2022-06-22
• "That's odd ..." — 2022-01-07
• "Keep Austin ___" (city slogan) — 2021-05-30
• Odd — 2020-11-05
• "Well, that's quite a coincidence ..." — 2019-12-08
• Like most things in "Ripley's Believe It or Not!" — 2017-07-16
• Quite off — 2017-03-11
• Bizarre — 2015-05-26
• Remarkable, as a coincidence — 2014-10-29
• ___ Tales, magazine where many H. P. Lovecraft stories first appeared — 2012-06-07
• Off-the-wall — 2011-05-31
• Kooky — 2010-10-03
• Kooky — 2002-02-12
• Macabre — 2001-05-10
• Spooky — 2000-01-19
• Off-the-wall — 1999-10-17
• Outré — 1998-02-15
• Odd — 1996-02-09
• Grotesque — 1995-01-22