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

Other days

law

Law Day
hoodie

Hoodie Day
cursing

Cursing Day
first love

First Love Day
offer

Offer Day
kiss a brunette

Kiss A Brunette Day
bubble bath

Bubble Bath Day
boba

Boba Day
hannah

Hannah Day
get funky

Get Funky Day