Closing the lecture of Friday 27 October 1967, Neville told the room the schedule: "We'll be here on Monday, as you know, every Monday and Friday until the middle of December. But, what I will speak on Monday, I haven't the slightest idea. I only know that I'll be here...and you'll be well fed." The corpus bears the announcement out at every meeting - fifteen consecutive Monday and Friday lectures run from that evening through Friday 15 December 1967 without a single gap, after which the series stops.
Date (happened)
between 27 October 1967 and 15 December 1967
unresolved
between 27 October 1967 and 15 December 1967
stated · preferred
Why
Neville said 'the middle of December', not a date. The end day 15 is resolved from the delivery census described in the reasoning, and must not be read as his words. The span starts on the evening he speaks, itself a meeting of the series; the first future meeting he names is Monday 1967-10-30.
Reasoning
He states the pattern outright on Friday 1967-10-27, and the corpus corroborates it at every meeting: all fifteen Mondays and Fridays from 1967-10-27 to 1967-12-15 carry a held lecture with no gap. 1967-12-15 is the last date in the window with a preferred delivery claim - everything after it is possible or doubtful, and two of those fall on Thursdays - so it is where 'the middle of December' actually lands.
Told / reported
27 October 1967
stated
Reasoning
Three agreeing certain claims for 1967-10-27: catalogue #378, catalogue #379, and the transcript's own chrome dateline '10/27/67', read below the WordPress posting banner and correctly distinguished from it. The date is a Friday, one of the two nights of the very series this event records. The node's fourth claim, catalogue #607 at 1969-10-18, was ruled doubtful for this transcript by v1.1/l1.3bc/w1 and is not used.