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

Other days

kale

Kale Day
raise awerness of zeus

Raise Awerness Of Zeus Day
ruby

Ruby Day
ormille

Ormille Day
pick me

Pick Me Day
buddy

Buddy Day
boy friend

Boy Friend Day
gum

Gum Day
eat what you want

Eat What You Want Day
bonang

Bonang Day