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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
gum

Gum Day
ruby

Ruby Day
healing

Healing Day
nae nae

Nae Nae Day
raise awerness of zeus

Raise Awerness Of Zeus Day
fiancee

Fiancee Day
chocolate milkshake

Chocolate Milkshake Day
me

Me Day
kiss a ginger

Kiss A Ginger Day