Oops, it doesn't look like 'flag is in full swing ahead of independence day' is a national day..

Other days

pampering

Pampering Day

ponytail

Ponytail Day

hannah

Hannah Day

boy friend

Boy Friend Day

buddy

Buddy Day

carpenters

Carpenters Day

kiss a ginger

Kiss A Ginger Day

tell a fairytale

Tell A Fairytale Day

Emoji Day

kiss a brunette

Kiss A Brunette Day