Oops, it doesn't look like 'nutria day' is a national day..

Other days

camera

Camera Day
kiss a ginger

Kiss A Ginger Day
nail polish

Nail Polish Day
nae nae

Nae Nae Day
cuddle up

Cuddle Up Day
promposal

Promposal Day
aloxolt

Aloxolt Day
stud

Stud Day
self appreciation

Self Appreciation Day
china

China Day