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

Other days

lisp

Lisp Day
boba

Boba Day
first love

First Love Day
cursing

Cursing Day
kiss a brunette

Kiss A Brunette Day
bow tie

Bow Tie Day
ask out your crush

Ask Out Your Crush Day
lumpy rug

Lumpy Rug Day
me

Me Day
youth

Youth Day