Referendum «Federal Law on Climate Protection Goals, Innovation and Strengthening Energy Security (KlG)» Tuesday August 22nd, 2023 / Luca Gaia / No Comments
Historical population development of Swiss municipalities (1200-1850) Wednesday March 15th, 2023 / Raimund Schnürer / No Comments
Glacier situation since the 19th century (1850/1973/2010/2016) Tuesday February 28th, 2023 / Raimund Schnürer / No Comments
Fortresses and castles in Switzerland, by construction period Thursday February 9th, 2023 / Raimund Schnürer / No Comments
