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

Other days

gum

Gum Day
ruby

Ruby Day
me

Me Day
carpenters

Carpenters Day
embarrass your best friend

Embarrass Your Best Friend Day
special education

Special Education Day
blanket fort

Blanket Fort Day
boy friend

Boy Friend Day
raise awerness of zeus

Raise Awerness Of Zeus Day
frozen yogurt

Frozen Yogurt Day