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

Other days

offer

Offer Day
gum

Gum Day
bow tie

Bow Tie Day
stud

Stud Day
raise awerness of zeus

Raise Awerness Of Zeus Day
unicorn

Unicorn Day
reading

Reading Day
bonang

Bonang Day
healing

Healing Day
cursing

Cursing Day