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

Other days

first love

First Love Day
stud

Stud Day
self appreciation

Self Appreciation Day
hoodie

Hoodie Day
boba

Boba Day
bow tie

Bow Tie Day
comfy

Comfy Day
cuddle up

Cuddle Up Day
ponytail

Ponytail Day
me

Me Day