🇩🇪 Germany · Buried city
Rungholt – Drowned Wadden Sea Trading Town, North Frisia
Medieval (1150–1362 CE) · Frisian / Danish
Edomsharde marsh capital drowned 16 Jan 1362 Grote Mandrenke — church terp and harbour channel at −1.5 m in Wadden flats 12 km off Pellworm.