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

Other days

brow

Brow Day
bonang

Bonang Day
mean girls

Mean Girls Day
boba

Boba Day
martini

Martini Day
get funky

Get Funky Day
boyfriend

Boyfriend Day
tell a fairytale

Tell A Fairytale Day
boy friend

Boy Friend Day
pick me

Pick Me Day