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

Other days

gum

Gum Day
martini

Martini Day
boba

Boba Day
my little pony

My Little Pony Day
reading

Reading Day
lisp

Lisp Day
self appreciation

Self Appreciation Day
prosecco

Prosecco Day
pampering

Pampering Day
ride the wind

Ride The Wind Day