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

Other days

nae nae

Nae Nae Day
lisp

Lisp Day
special education

Special Education Day
brow

Brow Day
lash

Lash Day
coffee

Coffee Day
ruby

Ruby Day
hoodie

Hoodie Day
self care

Self Care Day
my little pony

My Little Pony Day