Oops, it doesn't look like 'champion for one more full day' is a national day..

Other days

prosecco

Prosecco Day
nae nae

Nae Nae Day
eat what you want

Eat What You Want Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
raise awerness of zeus

Raise Awerness Of Zeus Day
coffee

Coffee Day
aloxolt

Aloxolt Day
kale

Kale Day
my little pony

My Little Pony Day