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

Other days

cat girl

Cat Girl Day
ruby

Ruby Day
kiss a ginger

Kiss A Ginger Day
ormille

Ormille Day
slime

Slime Day
boy friend

Boy Friend Day
camera

Camera Day
lost sock memorial

Lost Sock Memorial Day
artists

Artists Day
first love

First Love Day