The grid fill was pretty straight forward. It could have been made more difficult by giving the length of the modified answers. It was easy to identify the modified answer clues.
I found the end game a bit disappointing - assuming I have got it right. I am still open to the possibility that there is a clever end game yet to be found and the two names we can see are red herrings but can’t see it. Is there more to the title than the obvious date reference?