Transalpine campaigns of the Old Swiss Confederacy

Renewed campaigns took place in 1439, 1441 and 1447, until in 1449 the Swiss were beaten again by troops of the Golden Ambrosian Republic in the Battle of Castione.

[citation needed] From this time, the Leventina was an undisputed possession of Uri, while Bellinzona remained under Milanese control.

Besieging Domodossola and marauding the valleys, the Swiss were decisively defeated by the Duchy of Milan army at the Battle of Crevola in April 1487.

Bellinzona was finally occupied by Uri in 1500, and officially granted to the confederacy by Louis XII of France in 1503.

The Battle of Novara (1513) was a success for the Swiss Confederacy and the allied Three Leagues which secured their possessions of Locarno, Lugano, Mendrisio, Cuvio, Travaglia, Chiavenna, Bormio, Tre pievi and Valtellina.

Transalpine territories of the Swiss Confederacy, 1403–1798
Swiss mercenaries cross the Alps after quitting the Battle of Pavia of 1512 ( Lucerne Chronicle , 1513)
Swiss condominiums ( Gemeine Herrschaften in the 18th century (the Leventina is shown as integral part of Uri ).