Oops, it doesn't look like 'claim it is not a free and fair election because twitter had a lengthy outage on the last day' is a national day..

Other days

Chocolate Milkshake Day

Ormille Day

Buddy Day

Self Care Day

My Little Pony Day

Believe Day

Fiancee Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Cursing Day

Raise Awerness Of Zeus Day