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

Other days

youth

Youth Day
ruby

Ruby Day
gum

Gum Day
hot chocolate

Hot Chocolate Day
bow tie

Bow Tie Day
raise awerness of zeus

Raise Awerness Of Zeus Day
brow

Brow Day
self appreciation

Self Appreciation Day
book

Book Day
cat girl

Cat Girl Day