There is one thing I have often enough noticed in a variety of books, both classical and modern which always nagged at me, because I never could see the reason for doing it. That is in many stories, the names of people, dates or places will be left more or less blank, in the way one might do if they were writing about an actual person and wanted to protect their identity, but in this case, I am speaking of this occurring in works of fiction.
And there will not seem to be any particular reason why it is done within the stories.
There might be in a story a character known simply as Mr. M---, but it will not appear as if the omitting of the name is in any way significant to the story, nor will there be anything about the character which might suggest why their name should be omitted.
Or in other stories I have read it will say it was 18---, but again there will be no seeming reason for why the full date should not be accounted for.
And in a book I am reading right now, there is a place that was known only as C---