Oops, it doesn't look like 'wear your backpack through school day' is a national day..

Other days

kiss a ginger

Kiss A Ginger Day
artists

Artists Day
self appreciation

Self Appreciation Day
ask out your crush

Ask Out Your Crush Day
azonto is acceptable

Azonto Is Acceptable Day
ormille

Ormille Day
raise awerness of zeus

Raise Awerness Of Zeus Day
kiss a brunette

Kiss A Brunette Day
offer

Offer Day
lost sock memorial

Lost Sock Memorial Day