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

Other days

hannah

Hannah Day
carpenters

Carpenters Day
artists

Artists Day
my little pony

My Little Pony Day
blanket fort

Blanket Fort Day
ruby

Ruby Day
law

Law Day
girl friend

Girl Friend Day
prosecco

Prosecco Day
lash

Lash Day