Oops, it doesn't look like 'assembly by the tyrant will one day' is a national day..

Other days

slime

Slime Day
cursing

Cursing Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
embarrass your best friend

Embarrass Your Best Friend Day
kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
tell a fairytale

Tell A Fairytale Day
frozen yogurt

Frozen Yogurt Day
bounce

Bounce Day
lost sock memorial

Lost Sock Memorial Day