Oops, it doesn't look like 'move on stalking your ex day' is a national day..

Other days

youth

Youth Day
cuddle up

Cuddle Up Day
cursing

Cursing Day
bow tie

Bow Tie Day
stud

Stud Day
kale

Kale Day
boyfriend

Boyfriend Day
carpenters

Carpenters Day
boba

Boba Day
boy friend

Boy Friend Day