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

Other days

tulip

Tulip Day
healing

Healing Day
kiss a brunette

Kiss A Brunette Day
book

Book Day
bounce

Bounce Day
kiss a ginger

Kiss A Ginger Day
china

China Day
tell a fairytale

Tell A Fairytale Day
mean girls

Mean Girls Day
offer

Offer Day