<http://schema.org/description>
"In 2009, Google introduced a timeline search feature that let searchers look for web, news, etc content across the web by date range.  Google Blogoscoped has an old picture of it:Searchers are not hap"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-timeline-search-14311.html>