Historical clue formulations

• "Don't you agree with me?," informally — 2026-03-03
• "Agreed?" — 2025-08-02
• "Ain't it so?" — 2022-10-15
• "Eh? Eh?" — 2022-07-23
• "You agree?" (*nudge, nudge*) — 2021-08-08
• Question seen in some online memes — 2019-05-30
• "You all agree with me, yes?," in one word — 2018-02-23
• "You agree with me?," informally — 2017-05-29