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

Other days

bow tie

Bow Tie Day
hiv awareness

Hiv Awareness Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
chocolate milkshake

Chocolate Milkshake Day
bonang

Bonang Day
singles

Singles Day
frozen yogurt

Frozen Yogurt Day
cuddle up

Cuddle Up Day
stud

Stud Day
pumpkin

Pumpkin Day