Oops, it doesn't look like 'wheat field day' is a national day..

Other days

boy friend

Boy Friend Day
girl friend

Girl Friend Day
self care

Self Care Day
hannah

Hannah Day
kale

Kale Day
fiancee

Fiancee Day
boba

Boba Day
reading

Reading Day
kiss a ginger

Kiss A Ginger Day
my little pony

My Little Pony Day