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

Other days

cursing

Cursing Day
china

China Day
eat what you want

Eat What You Want Day
gum

Gum Day
bounce

Bounce Day
girl friend

Girl Friend Day
self appreciation

Self Appreciation Day
reading

Reading Day
ruby

Ruby Day
ask out your crush

Ask Out Your Crush Day