Oops, it doesn't look like 'ram your car into another car day' is a national day..

Other days

pampering

Pampering Day
youth

Youth Day
bow tie

Bow Tie Day
kiss a brunette

Kiss A Brunette Day
tell a fairytale

Tell A Fairytale Day
book

Book Day
lost sock memorial

Lost Sock Memorial Day
bounce

Bounce Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day