Oops, it doesn't look like 'assembly to do the unimaginable one day' is a national day..

Other days

slime

Slime Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

lumpy rug

Lumpy Rug Day

one

One Day

promposal

Promposal Day

boba

Boba Day

gum

Gum Day

book

Book Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

hannah

Hannah Day