Oops, it doesn't look like 'change your name day' is a national day..

Other days

lash

Lash Day
get funky

Get Funky Day
ponytail

Ponytail Day
tulip

Tulip Day
ruby

Ruby Day
gallery

Gallery Day
hot chocolate

Hot Chocolate Day
ride the wind

Ride The Wind Day
law

Law Day
self care

Self Care Day