<http://schema.org/description>
"Today is the anniversary of the horrible attacks of the U.S., forever known as September 11th, or 9/11.  People will be asking, why doesn't Google have a special logo up (a Doodle) to remember the day"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/020745.html>