River where it issues from the northwestern branch of Lake Lucerne (German: Vierwaldstätter See; French: Lac des Quatre Cantons), southwest of Zürich. The city’s name was derived from the Benedictine monastery of St. Leodegar (Luciaria), founded in the 8th century. From the nearby fishing village grew a city, probably chartered about 1178, whose inhabitants were originally serfs of the monastery. After the opening of the St. Gotthard Pass (c. 1230), Lucerne developed into an important trade centre between the upper Rhine and Lombardy. In 1291 the monastery and city were purchased by Rudolf IV of Habsburg (also called Rudolf I of Germany), against the will of the citizens, who desired independence. Political instability under Rudolf’s successors led Lucerne in 1332 to join the alliance formed by the cantons of Uri, Schwyz, and Unterwalden in 1291. The group won independence after the Battle of Sempach (1386) against the Habsburg army. By 1415 Lucerne had acquired most of the territory of the present canton, by either treaty, armed occupation, or purchase. It became the leader of the Catholic cantons at the Reformation and was the ...