Oops, it doesn't look like 'bless your coworker day' is a national day..

Other days

tulip

Tulip Day
cat girl

Cat Girl Day
reading

Reading Day
ride the wind

Ride The Wind Day
coffee

Coffee Day
lisp

Lisp Day
bonang

Bonang Day
hoodie

Hoodie Day
kiss a ginger

Kiss A Ginger Day
unicorn

Unicorn Day