Asking to hangout?

Ex girlfriend completely ended things 3.5 weeks ago, we went 2 weeks no contact (she broke the no contact) but since then, we've had a few small talks... 4th of July is next week and I wanna ask her if she'd like to go see fireworks... but I don't wanna fuck things up between us and don't know if it's too soon...
Asking to hangout?
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