Credits

A big Thank you goes to the following developers

• the guys who build the js calendar webpart (https://github.com/SharePoint/sp-dev-fx-webparts/tree/master/samples/js-modern-calendar). they provided a very good site and list selection functionality in their project and i adopted it to this project.

• All People coding and supporting the FullCalendar over all those years.

• My SharePoint Colleagues David and Marcel for support and ideas!