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

Other days

ruby

Ruby Day
donate your hair

Donate Your Hair Day
blanket fort

Blanket Fort Day
china

China Day
coffee

Coffee Day
cursing

Cursing Day
ormille

Ormille Day
offer

Offer Day
eat what you want

Eat What You Want Day
martini

Martini Day