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

Other days

donate your hair

Donate Your Hair Day
aloxolt

Aloxolt Day
fiancee

Fiancee Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
tulip

Tulip Day
slime

Slime Day
raise awerness of zeus

Raise Awerness Of Zeus Day
my little pony

My Little Pony Day
ruby

Ruby Day
camera

Camera Day