Oops, it doesn't look like 'Weed Unemployed Drug Test day' is a national day..

Other days

martini

Martini Day
hannah

Hannah Day
cuddle up

Cuddle Up Day
singles

Singles Day
tulip

Tulip Day
lumpy rug

Lumpy Rug Day
ruby

Ruby Day
reading

Reading Day
promposal

Promposal Day
lash

Lash Day