<https://forums.geocaching.com/GC/index.php?/topic/272463-can-you-bulk-add-to-bookmark-list/#comment-4687689>
<http://schema.org/dateCreated>
"2011-04-22T20:31:16+0000"^^<http://schema.org/Date>
<https://forums.geocaching.com/GC/index.php?/topic/272463-can-you-bulk-add-to-bookmark-list/>