Oops, it doesn't look like 'service of thanksgiving at westminster abbey later marking ve day' is a national day..

Other days

Fiancee Day

Blanket Fort Day

Tell A Fairytale Day

Believe Day

Mean Girls Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Bonang Day

Pumpkin Day

Aloxolt Day

Bow Tie Day