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

Other days

cursing

Cursing Day
eat what you want

Eat What You Want Day
my little pony

My Little Pony Day
law

Law Day
self care

Self Care Day
one

One Day
nae nae

Nae Nae Day
stud

Stud Day
cat girl

Cat Girl Day
book

Book Day