Oops, it doesn't look like 'guard will conduct air force salute flyovers in oregon basically all day' is a national day..

Other days

Buddy Day

Boyfriend Day

Chocolate Milkshake Day

Special Education Day

Hiv Awareness Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Girl Friend Day

Get Funky Day

Nail Polish Day

Nae Nae Day