<https://kosmossociety.chs.harvard.edu/calendar/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kosmossociety.chs.harvard.edu/calendar/?ai1ec=action~oneday%7Cexact_date~1593144000%7Ctag_ids~1011%2C76%2C411%7Crequest_format~json>