Oops, it doesn't look like 'raita day' is a national day..

Other days

lisp

Lisp Day
kiss a ginger

Kiss A Ginger Day
nae nae

Nae Nae Day
lash

Lash Day
lumpy rug

Lumpy Rug Day
camera

Camera Day
youth

Youth Day
brow

Brow Day
cursing

Cursing Day
hot chocolate

Hot Chocolate Day