Oops, it doesn't look like 'black cat awareness day' is a national day..

Other days

bow tie

Bow Tie Day
tulip

Tulip Day
hot chocolate

Hot Chocolate Day
frozen yogurt

Frozen Yogurt Day
lisp

Lisp Day
stud

Stud Day
youth

Youth Day
boy friend

Boy Friend Day
ormille

Ormille Day
hannah

Hannah Day