Oops, it doesn't look like 'fuck ur ex day' is a national day..

Other days

comfy

Comfy Day

hot chocolate

Hot Chocolate Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

buddy

Buddy Day

Emoji Day

stress awareness

Stress Awareness Day

lisp

Lisp Day

singles

Singles Day

tell a fairytale

Tell A Fairytale Day

girl friend

Girl Friend Day