Oops, it doesn't look like 'take you top off day' is a national day..

Other days

singles

Singles Day

stress awareness

Stress Awareness Day

one

One Day

eat what you want

Eat What You Want Day

fiancee

Fiancee Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

tulip

Tulip Day

cursing

Cursing Day

ponytail

Ponytail Day

Me Day