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

Other days

fiancee

Fiancee Day
bounce

Bounce Day
stud

Stud Day
lash

Lash Day
get funky

Get Funky Day
self appreciation

Self Appreciation Day
latina equal pay

Latina Equal Pay Day
cuddle up

Cuddle Up Day
reading

Reading Day
nae nae

Nae Nae Day