Oops, it doesn't look like 'pave the road day' is a national day..

Other days

coffee

Coffee Day
china

China Day
fiancee

Fiancee Day
self care

Self Care Day
hoodie

Hoodie Day
polyamory

Polyamory Day
boy friend

Boy Friend Day
cat girl

Cat Girl Day
ride the wind

Ride The Wind Day
promposal

Promposal Day