Oops, it doesn't look like 'chance appreciation day' is a national day..

Other days

china

China Day
prescription drug take back

Prescription Drug Take Back Day
boy friend

Boy Friend Day
self appreciation

Self Appreciation Day
ride the wind

Ride The Wind Day
pampering

Pampering Day
my little pony

My Little Pony Day
reading

Reading Day
hiv awareness

Hiv Awareness Day
me

Me Day