Historical clue formulations

• Counterpart of "Pls" — 2025-11-22
• "Much obliged," in a text — 2025-10-26
• Text of appreciation — 2024-07-30
• Appreciative text — 2024-05-21
• Texter's message of appreciation — 2021-01-07
• Text of gratitude — 2020-07-15
• Counterpart of "pls," in a text — 2019-10-21
• Quick expression of appreciation — 2018-04-09
• "___ 1138" (1971 sci-fi film) — 2012-06-24
• Quick expression of gratitude — 2010-10-07
• Quick expression of gratitude — 2008-08-10
• Counterpart of "pls" — 2008-05-24
• Appreciation abbreviation — 2007-09-01
• Expression of gratitude, briefly — 2004-02-01
• 1971 sci-fi film "___ 1138" — 2002-11-15
• "___ 1138" (1971 sci-fi film) — 1997-03-12