How did medieval borders work? How would you know if you left your country and entered another one? Were there any borders drawn or telltale signs that you entered the territory of another country?

by Kyrgysztan
Cocoaboat

u/asinus_docet wrote a great response on this here: https://reddit.com/r/AskHistorians/comments/hbfva6/how_do_ancientmedieval_borders_work/fxrr8dx