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

Other days

bounce

Bounce Day
kiss a ginger

Kiss A Ginger Day
prosecco

Prosecco Day
boba

Boba Day
stud

Stud Day
reading

Reading Day
lash

Lash Day
boyfriend

Boyfriend Day
first love

First Love Day
self appreciation

Self Appreciation Day