Oops, it doesn't look like 'building code on the ocassion of world consumer day' is a national day..

Other days

frozen yogurt

Frozen Yogurt Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
carpenters

Carpenters Day
slime

Slime Day
boba

Boba Day
eat what you want

Eat What You Want Day
kale

Kale Day
latina equal pay

Latina Equal Pay Day
ruby

Ruby Day
lost sock memorial

Lost Sock Memorial Day