Oops, it doesn't look like 'step in a puddle and splash your friend day' is a national day..

Other days

comfy

Comfy Day

first love

First Love Day

aloxolt

Aloxolt Day

boy friend

Boy Friend Day

ask out your crush

Ask Out Your Crush Day

stud

Stud Day

polyamory

Polyamory Day

Emoji Day

brow

Brow Day

tell ur crush you like them

Tell Ur Crush You Like Them Day