Highslide JS
Duchy of Bavaria c.1000 CE — Within the Holy Roman Empire, including the Austrian march
Photo Credit: By Alphathon /ˈæɫfə.θɒn/ (talk) - File: own workData: File:Droysens-22-23.jpg, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=48867066