<http://schema.org/about>
"March 31 is the birthday of the history-making Latino activist and farm worker C\u00E9sar Ch\u00E1vez. Ch\u00E1vez spent decades working to protect both the earth and workers from toxic pesticides."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/honoring-casar-chavez.html>