Oops, it doesn't look like 'Johnny Manziel Appreciation day' is a national day..

Other days

martini

Martini Day
comfy

Comfy Day
lumpy rug

Lumpy Rug Day
buddy

Buddy Day
self appreciation

Self Appreciation Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
fiancee

Fiancee Day
hoodie

Hoodie Day
bubble bath

Bubble Bath Day
artists

Artists Day