Oops, it doesn't look like 'cemetery to pay their respects ahead of memorial day' is a national day..

Other days

Bubble Bath Day

Eat What You Want Day

Prescription Drug Take Back Day

Self Appreciation Day

My Little Pony Day

Hiv Awareness Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Martini Day

Emoji Day

Aloxolt Day