The Notubiz Politiek Portaal system for Leiden does not expose public municipal council events in iCal format. This small and simple web service remedies that omission by scraping the calendar and providing an URL that lists the past 6, and future 12, months of events in iCal format.
This code runs at http://raad071.mdirkse.nl/
The docker image with this service can be found here: https://hub.docker.com/r/mdirkse/raad071cal/