Oops, it doesn't look like 'gladys appreciation day' is a national day..

Other days

eat what you want

Eat What You Want Day
chocolate milkshake

Chocolate Milkshake Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
unicorn

Unicorn Day
artists

Artists Day
promposal

Promposal Day
lash

Lash Day
self appreciation

Self Appreciation Day
martini

Martini Day
me

Me Day