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

Other days

blanket fort

Blanket Fort Day
martini

Martini Day
chocolate milkshake

Chocolate Milkshake Day
tell a fairytale

Tell A Fairytale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
cuddle up

Cuddle Up Day
hot chocolate

Hot Chocolate Day
youth

Youth Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
buddy

Buddy Day