Oops, it doesn't look like 'heroes at mount rushmore independence day' is a national day..

Other days

bonang

Bonang Day
chocolate milkshake

Chocolate Milkshake Day
self care

Self Care Day
boyfriend

Boyfriend Day
bow tie

Bow Tie Day
singles

Singles Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
china

China Day
coffee

Coffee Day
brow

Brow Day