Sempach(redirected from Sempach LU)
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Sempach(zĕm`päkh), town (1990 pop. 3,096), Lucerne canton, N central Switzerland, on the Lake of Sempach. Near Sempach the Swiss decisively defeated the Austrians in 1386.
a city in Switzerland in the canton of Luzern, near which the Swiss infantry on June 9, 1386, defeated the army of knights of the Austrian duke Leopold III Hapsburg, forcing them to fight on foot. The Swiss national hero A. Winkelried distinguished himself in the battle. The victory near Sempach promoted the further consolidation of the Swiss Confederation.