Oops, it doesn't look like 'championship what a great day' is a national day..

Other days

stud

Stud Day
prescription drug take back

Prescription Drug Take Back Day
one

One Day
first love

First Love Day
kale

Kale Day
hiv awareness

Hiv Awareness Day
self appreciation

Self Appreciation Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
cuddle up

Cuddle Up Day
bow tie

Bow Tie Day