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

Other days

one

One Day
bow tie

Bow Tie Day
singles

Singles Day
hiv awareness

Hiv Awareness Day
carpenters

Carpenters Day
lash

Lash Day
cuddle up

Cuddle Up Day
special education

Special Education Day
frozen yogurt

Frozen Yogurt Day
unicorn

Unicorn Day