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

Other days

nae nae

Nae Nae Day
my little pony

My Little Pony Day
believe

Believe Day
offer

Offer Day
law

Law Day
china

China Day
brow

Brow Day
blanket fort

Blanket Fort Day
bow tie

Bow Tie Day
self care

Self Care Day