Oops, it doesn't look like 'go to the pub day' is a national day..

Other days

bounce

Bounce Day
one

One Day
law

Law Day
aloxolt

Aloxolt Day
stud

Stud Day
boba

Boba Day
my little pony

My Little Pony Day
gum

Gum Day
eat what you want

Eat What You Want Day
nail polish

Nail Polish Day