Oops, it doesn't look like 'Heimlich Manoeuvre Barefoot Hazelnut Cake day' is a national day..

Other days

Singles Day

Reading Day

Kale Day

Raise Awerness Of Zeus Day

Donate Your Hair Day

Unicorn Day

Appreciate Yaself A Lil Extra Day

Polyamory Day

Prosecco Day

Lumpy Rug Day