Importing events from ical file https://www.google.com/calendar/ical/klaus_stoertebeker%40web.de/public/basic.ics
I hope this is a URL!!
icaldate = 20170311T120000Z imported date=2017-03-11 13:00:00
icaldate = 20170311T130000Z imported date=2017-03-11 14:00:00