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

Other days

aloxolt

Aloxolt Day
hoodie

Hoodie Day
me

Me Day
raise awerness of zeus

Raise Awerness Of Zeus Day
mean girls

Mean Girls Day
ruby

Ruby Day
boy friend

Boy Friend Day
emoji

Emoji Day
frozen yogurt

Frozen Yogurt Day
ask out your crush

Ask Out Your Crush Day