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

Other days

unicorn

Unicorn Day
gum

Gum Day
healing

Healing Day
offer

Offer Day
lumpy rug

Lumpy Rug Day
brow

Brow Day
hiv awareness

Hiv Awareness Day
mean girls

Mean Girls Day
bow tie

Bow Tie Day
bounce

Bounce Day