https://en.wikipedia.org/wiki/File:Schilling_Schlacht_bei_Voeglinsegg_1403.jpg
I believe the title is Schlacht bei Voeglinsegg 1403 so I am led to believe it took place in 1403
The description may be translated as:
The Battle of Vögelinsegg, May 15, 1403, in the Spiezer Chronicle of Diebold Schilling.
A battle from the Appenzell Wars (1403–1411) in Switzerland.
