1. I want to make a map featuring maximum (or close to maximum) spread
of the independent Metropolitan railway (Stanmore branch, Brill,
Aylesbury, Uxbridge road, etc). So it limited my selection to Dec 10
1932 (opening of Stanmore branch*) - 30 June 1933 (last day before
LPTB took over) range.

2. Then I decided to concentrate on 1932, since I wasn't sure that
Metropolitan was intact in 1933 (after all probably they weren't
overtaken in one day, and probably there was some preparatory work in
advance). Also 1932 had many other differences to 1933, which made the
map more interesting - Piccadilly extension to Cockfosters unfinished,
Piccadilly not serving Hounslow and Uxbridge, British Museum still on
Central, etc. So the range was limited to Dec 10 1932 to 31 Dec 1932.

3. Then I decided to exclude Christmas and period after it (some
services could be cut back at the time of the holidays). So Dec 10 to
Dec 24.

4. The next dates to go were 24th (Saturday and X-mas Eve) and 23rd
(Friday, just in case some services could be limited at the end of the
work week).

Which left me with December 22nd. I checked it and did not find any
conflicting events - except something like signing of Maldivian (or
Maltese?) constitution, but I can survive that.

And it means that I have only 2 real reasons (4 with a stretch). Oops!
Sorry.

By the way, it would be nice to find some information about last year
of Metropolitan. Current reasons for nationalisation sound very dry,
but there was some struggle I suppose (and hope). Metropolitan seems
to be such influental and interesting company, that for some mis-
guided reason was overtaken by state and slowly cut down into pieces
(process that started immediately after take over and ended only in
1990).

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* without Queensbury