Oops, it doesn't look like 'ChampionshipWow What A Horrible day' is a national day..

Other days

Latina Equal Pay Day

Promposal Day

Cuddle Up Day

Donate Your Hair Day

Ask Out Your Crush Day

Me Day

Nail Polish Day

Fiancee Day

Polyamory Day

African Immigrant And Refugee Hiv And Hep Awareness Day