Although occasional burning of witches (hexen) is recorded in Switzerland since the beginning of the 15th century,[1] the Valais trials of 1428 are the first event in which the accusation of sorcery leads to systematic persecution with hundreds of victims executed.
The main contemporary account of the event is the short report by Johannes Fründ of Lucerne, written in c. 1430, possibly on the request of Christoph von Silenen, at the time castellan in Siders.
[3] The witch-trials emerged before the background of the persecution of the Waldensians in Fribourg (1399–1430), due to which a functioning inquisition with a seat in Lausanne had been established.
[8] Others confessed to ruining crops (wine and grain) and causing livestock to give no milk and plowing teams to stand still.
[11] Contrary to the later phase of the European witch-trials, when the majority of those accused were women, the victims in the Valais witch trials are estimated to have been two-thirds male and one-third female.
[4] After the witch trials had subsided in Valais and Savoy, the phenomenon spread further in the decades leading up to the Reformation, to Fribourg and Neuchatel (1440), Vevey (1448), the bishopric of Lausanne and Lake Geneva area (c. 1460–1480) and Dommartin (1498, 1524–1528).
Here, theologians discussed the evidence for the new phenomenon of witchcraft and collected the court proceedings from the Valais, Vaud, and Savoy region.