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

Other days

unicorn

Unicorn Day
lash

Lash Day
stress awareness

Stress Awareness Day
raise awerness of zeus

Raise Awerness Of Zeus Day
blanket fort

Blanket Fort Day
singles

Singles Day
ruby

Ruby Day
tulip

Tulip Day
lisp

Lisp Day
bonang

Bonang Day