Oops, it doesn't look like 'is a special day' is a national day..

Other days

lisp

Lisp Day
bubble bath

Bubble Bath Day
boba

Boba Day
ruby

Ruby Day
bonang

Bonang Day
stress awareness

Stress Awareness Day
eat what you want

Eat What You Want Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
tulip

Tulip Day
prosecco

Prosecco Day