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

Other days

cursing

Cursing Day
get funky

Get Funky Day
gallery

Gallery Day
gum

Gum Day
eat what you want

Eat What You Want Day
unicorn

Unicorn Day
donate your hair

Donate Your Hair Day
nae nae

Nae Nae Day
ruby

Ruby Day
offer

Offer Day