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

Other days

singles

Singles Day
cuddle up

Cuddle Up Day
aloxolt

Aloxolt Day
blanket fort

Blanket Fort Day
hoodie

Hoodie Day
bubble bath

Bubble Bath Day
ride the wind

Ride The Wind Day
law

Law Day
polyamory

Polyamory Day
fiancee

Fiancee Day