Oops, it doesn't look like 'roast damion day' is a national day..

Other days

tulip

Tulip Day
boba

Boba Day
hiv awareness

Hiv Awareness Day
law

Law Day
aloxolt

Aloxolt Day
pumpkin

Pumpkin Day
slime

Slime Day
cuddle up

Cuddle Up Day
first love

First Love Day
blanket fort

Blanket Fort Day