Oops, it doesn't look like 'grain silo on the same day' is a national day..

Other days

lash

Lash Day
cuddle up

Cuddle Up Day
bonang

Bonang Day
frozen yogurt

Frozen Yogurt Day
believe

Believe Day
tell a fairytale

Tell A Fairytale Day
ruby

Ruby Day
boba

Boba Day
brow

Brow Day
healing

Healing Day