Oops, it doesn't look like 'captain america civil war trailer day' is a national day..

Other days

Lumpy Rug Day

Pampering Day

First Love Day

Aloxolt Day

Mean Girls Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day

Healing Day

Ponytail Day

Blanket Fort Day