Oops, it doesn't look like 'fuck your friends ex bf day' is a national day..

Other days

Self Care Day

Boba Day

Frozen Yogurt Day

Prescription Drug Take Back Day

Tell Ur Crush You Like Them Day

Prosecco Day

Polyamory Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Chocolate Milkshake Day

Bonang Day