Oops, it doesn't look like 'capital on the first day' is a national day..

Other days

reading

Reading Day
fiancee

Fiancee Day
nae nae

Nae Nae Day
hannah

Hannah Day
boy friend

Boy Friend Day
stud

Stud Day
gum

Gum Day
believe

Believe Day
cuddle up

Cuddle Up Day
artists

Artists Day