Oops, it doesn't look like 'cardiothoracic hand grenade day' is a national day..

Other days

kale

Kale Day

appreciate yaself a lil extra

Appreciate Yaself A Lil Extra Day

brow

Brow Day

bow tie

Bow Tie Day

lisp

Lisp Day

gallery

Gallery Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

unicorn

Unicorn Day

Emoji Day

hiv awareness

Hiv Awareness Day