Oops, it doesn't look like 'hero and one day' is a national day..

Other days

one

One Day
ruby

Ruby Day
law

Law Day
hiv awareness

Hiv Awareness Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
get funky

Get Funky Day
martini

Martini Day
reading

Reading Day
china

China Day
tulip

Tulip Day