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

Other days

martini

Martini Day
unicorn

Unicorn Day
pick me

Pick Me Day
youth

Youth Day
latina equal pay

Latina Equal Pay Day
ride the wind

Ride The Wind Day
self care

Self Care Day
ormille

Ormille Day
lisp

Lisp Day
believe

Believe Day