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

Other days

ruby

Ruby Day
girl friend

Girl Friend Day
latina equal pay

Latina Equal Pay Day
donate your hair

Donate Your Hair Day
stud

Stud Day
tulip

Tulip Day
embarrass your best friend

Embarrass Your Best Friend Day
cursing

Cursing Day
self appreciation

Self Appreciation Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day