Oops, it doesn't look like 'Championships In Different Sports On The Same day' is a national day..

Other days

Stress Awareness Day

Raise Awerness Of Zeus Day

Aloxolt Day

Buddy Day

Cursing Day

Boy Friend Day

Get Funky Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Ask Out Your Crush Day

Appreciate Yaself A Lil Extra Day