Best bet for Eevee day(s) exclusive move
It's pretty obvious that, short of evolution moves being dropped on us a week before release, this community day is going to be a repeat of Pikachu day.
AKA: a mild disappointment by comparison to pretty much any other day.
But one thing does intrigue me a bit: Eevee will learn its move on capture. On Pikachu this was a no-brainer: surfing pikachu has been a staple for generations. But what about Eevee? Despite being a popular mon, it really is only famous for what it becomes, not what it is. To make matters worse, there is no move really tied TO Eevee in the Pokemon lore.... Save one.
My prediction is that we will see Last Resort on Eevee. Why? Because in gen 7, that's the move that Eevee uses as a base for its exclusive Z-move: Extreme Evoboost. If I'm correct, when we're going to see an alusion to Z-moves in much the same way that we've seen mega evolutions referenced with things like Dragon Pulse Ampharos. It's my best guess at this point.
Would love to hear what you think we'll be getting, and how Niantic may make this day worth going out for.
Answers
I dont think they'll give eevee a move, pikechu's event is somewhat of a special case, its the mascot, and more importantly, its more or less a trial run for community days, it shouldn't be factored into expectations
that said, I think this event's going to be about glaceon and leafeon, gen IV's on the horizon, that teaser's kicked people into gear even more, and even on the guide for the event, it's listing those 2, its al but certain they'll be a part of it, and what better way to start the gen famous for evolutions that with the pokemon famous for its evolutions