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

Other days

china

China Day
kiss a ginger

Kiss A Ginger Day
raise awerness of zeus

Raise Awerness Of Zeus Day
youth

Youth Day
nae nae

Nae Nae Day
believe

Believe Day
gum

Gum Day
tulip

Tulip Day
azonto is acceptable

Azonto Is Acceptable Day
law

Law Day