Changed name to Dükerkanal; Added start_date; changed to water=canal
Added upper Wakenitz riverbed 1877-1915
Added Der Kleine See from 1877-2024
Added start date to move modern Trave out of after 1824
Added ditches near Wakenitz in 1824
Fixed edtf and normal start date mixup.
Updated Wakenitz river shape with better source map. Added waterway. Added Mühlenteich.
Added start_date for the church of liubice. Fixed Gate not having a start and end_date.
Added Liubice(place), its church and fortification + entrance(way)
Grafschaft Ratzeburg boundary 1143-1204