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

Other days

unicorn

Unicorn Day
healing

Healing Day
aloxolt

Aloxolt Day
boba

Boba Day
blanket fort

Blanket Fort Day
ride the wind

Ride The Wind Day
bubble bath

Bubble Bath Day
law

Law Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day