Oops, it doesn't look like 'made in the usa day' is a national day..

Other days

comfy

Comfy Day
cat girl

Cat Girl Day
bow tie

Bow Tie Day
first love

First Love Day
artists

Artists Day
prosecco

Prosecco Day
boba

Boba Day
coffee

Coffee Day
stud

Stud Day
aloxolt

Aloxolt Day