For given time periods, did Switzerland literally experience "X uninterrupted years of democracy and peace"?
I will concentrate on "peace". Here are some selected events suggesting that the longest period of peace has been since 1845 (104 years by 1949).
- 1386 Battle of Sempach (Austria)
- 1440–46 Old Zurich War (Zurich v. Swiss confederacy)
- 1499 Swabian War (German)
- 1515 Battle of Marignano (Italian)
- 1529-31 Wars of Kappel (religious civil war)
- 1620 Massacre of Valtellina (Italian religious revolt)
- 1653 Swiss peasant war (revolt)
- 1712 Toggenburg war / second war of Villmergen (religious civil war)
- 1798 Overrun by French republic
- 1845 Sonderbund War (religious civil war)
