Oops, it doesn't look like 'Hug A Cat Donut day' is a national day..

Other days

hannah

Hannah Day
polyamory

Polyamory Day
my little pony

My Little Pony Day
china

China Day
boba

Boba Day
boy friend

Boy Friend Day
brow

Brow Day
hiv awareness

Hiv Awareness Day
carpenters

Carpenters Day
slime

Slime Day