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

Other days

comfy

Comfy Day
boy friend

Boy Friend Day
mean girls

Mean Girls Day
cat girl

Cat Girl Day
ormille

Ormille Day
raise awerness of zeus

Raise Awerness Of Zeus Day
carpenters

Carpenters Day
aloxolt

Aloxolt Day
ruby

Ruby Day
offer

Offer Day