1251: Burkhard helps forge an alliance between the Canton of Uri and the city of Zurich.
1307: The famous story of William Tell takes place in this year in the hometown of the Zumbrunnen family. The Zumbrunnen family have a number of proven connections to the events in this story!
1339:Heinrich Zumbrunnen dies in the famous Battle of Laupen, one of the most important Swiss victories over the Hapsburgs that helped establish Switzerland’s independence. Heinrich/Henry is a common name in the family ever since.