Oops, it doesn't look like 'fibromyalgia awareness limerick nutty fudge odometer day' is a national day..

Other days

boy friend

Boy Friend Day
cursing

Cursing Day
book

Book Day
artists

Artists Day
self care

Self Care Day
tell a fairytale

Tell A Fairytale Day
gum

Gum Day
prosecco

Prosecco Day
first love

First Love Day
self appreciation

Self Appreciation Day