Oops, it doesn't look like 'parks the earliest inspiration for the day' is a national day..

Other days

my little pony

My Little Pony Day
believe

Believe Day
lisp

Lisp Day
girl friend

Girl Friend Day
bow tie

Bow Tie Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
cuddle up

Cuddle Up Day
carpenters

Carpenters Day
ride the wind

Ride The Wind Day
artists

Artists Day