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

Other days

bow tie

Bow Tie Day
ruby

Ruby Day
believe

Believe Day
self care

Self Care Day
ponytail

Ponytail Day
unicorn

Unicorn Day
first love

First Love Day
ormille

Ormille Day
hot chocolate

Hot Chocolate Day
tulip

Tulip Day