Oops, it doesn't look like 'no typo day' is a national day..

Other days

fiancee

Fiancee Day
boy friend

Boy Friend Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day
first love

First Love Day
boba

Boba Day
slime

Slime Day
cursing

Cursing Day
blanket fort

Blanket Fort Day
donate your hair

Donate Your Hair Day