Oops, it doesn't look like 'cemetery solemnly waits to see how tang the conqueror will make memorial day' is a national day..

Other days

Boba Day

Special Education Day

Donate Your Hair Day

Reading Day

Artists Day

My Little Pony Day

Bubble Bath Day

Embarrass Your Best Friend Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Kale Day