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

Other days

kiss a ginger

Kiss A Ginger Day
nail polish

Nail Polish Day
boba

Boba Day
nae nae

Nae Nae Day
gallery

Gallery Day
tulip

Tulip Day
blanket fort

Blanket Fort Day
book

Book Day
kale

Kale Day
ruby

Ruby Day