Oops, it doesn't look like 'BeerSession Beer day' is a national day..

Other days

eat what you want

Eat What You Want Day
buddy

Buddy Day
cat girl

Cat Girl Day
law

Law Day
lumpy rug

Lumpy Rug Day
stud

Stud Day
cuddle up

Cuddle Up Day
first love

First Love Day
gallery

Gallery Day
fiancee

Fiancee Day