The Sempach Bird Observatory (Vogelwarte Sempach in German) is a bird observatory and ornithological research centre, also known as the Swiss Ornithological Institute, which is based at the town of Sempach in the district of Sursee in the canton of Lucerne in Switzerland.
Sempach |
Leopold III, Duke of Austria, (1351–1386), Duke of Styria, Carinthia, Tyrol, and Vorderösterreich of House of Habsburg, died in Battle of Sempach