Oops, it doesn't look like 'take you dog to work day' is a national day..

Other days

bounce

Bounce Day
brow

Brow Day
offer

Offer Day
raise awerness of zeus

Raise Awerness Of Zeus Day
reading

Reading Day
lash

Lash Day
one

One Day
blanket fort

Blanket Fort Day
cat girl

Cat Girl Day
gum

Gum Day