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

Other days

bow tie

Bow Tie Day
donate your hair

Donate Your Hair Day
prosecco

Prosecco Day
special education

Special Education Day
lash

Lash Day
singles

Singles Day
nae nae

Nae Nae Day
gum

Gum Day
boy friend

Boy Friend Day
polyamory

Polyamory Day