Oops, it doesn't look like 'currently living lawfully in the uk will be made to leave on the day' is a national day..

Other days

Book Day

Bounce Day

Polyamory Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Chocolate Milkshake Day

Coffee Day

Boba Day

Tulip Day

Bonang Day

Appreciate Yaself A Lil Extra Day