Hmm, but why do you think these things haven’t occurred yet?

As far as I can tell, the speed of causality means things can have occurred in a certain location in the universe, but it takes time until the effects have permeated into the rest of the universe.

So, it’s like a shockwave from an explosion. The explosion happens, but it takes a few seconds until you feel the shockwave.
Well, with the difference that you can see an explosion before the shockwave. When we’re at the speed of causality, literally no evidence will have arrived in your position until it does.

So, one could go meta-philosophical with basically “If a tree falls in a forest and no one has heard it yet, did it actually already happen?”, but yeah, I don’t think that’s terribly useful here.

And well, if we treat it like a shockwave, let’s say you detonate some TNT and step through a wormhole to somewhere 20 km away. You would know that the shockwave will arrive soon, but does that matter? The shockwave will still just continue pushing on.

And I guess, crucially, it did already happen, so you can’t do the usual time travel paradox of preventing that it would happen.