Oops, it doesn't look like 'agriculture show day' is a national day..

Other days

ruby

Ruby Day
boba

Boba Day
tulip

Tulip Day
stud

Stud Day
first love

First Love Day
gum

Gum Day
raise awerness of zeus

Raise Awerness Of Zeus Day
healing

Healing Day
fiancee

Fiancee Day
hannah

Hannah Day