Oops, it doesn't look like 'GirlfriendBoyfriendBest Friend Or Sister day' is a national day..

Other days

hannah

Hannah Day
one

One Day
lisp

Lisp Day
self appreciation

Self Appreciation Day
bow tie

Bow Tie Day
lost sock memorial

Lost Sock Memorial Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
nae nae

Nae Nae Day
prescription drug take back

Prescription Drug Take Back Day
unicorn

Unicorn Day