Oops, it doesn't look like 'test ride day' is a national day..

Other days

ride the wind

Ride The Wind Day
bounce

Bounce Day
reading

Reading Day
tulip

Tulip Day
pampering

Pampering Day
slime

Slime Day
my little pony

My Little Pony Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day
healing

Healing Day