Oops, it doesn't look like 'lose a white friend day' is a national day..

Other days

singles

Singles Day
book

Book Day
hiv awareness

Hiv Awareness Day
bounce

Bounce Day
youth

Youth Day
bow tie

Bow Tie Day
kale

Kale Day
promposal

Promposal Day
self appreciation

Self Appreciation Day
lisp

Lisp Day