Encyclopædia Britannica, Ninth Edition/Adda
For works with similar titles, see Adda.
Adda, the ancient Addua, a river of Northern Italy, formed by the union of several small streams, near the town of Bormio, in the Rhætian Alps, flows westward through the Valtellina into the Lake of Como, near its northern extremity. Issuing from the Lecco arm of the lake, it crosses the plain of Lombardy, and finally, after a course of about 150 miles, joins the Po, 8 miles above Cremona. The Adda was formerly the boundary between the territories of Venice and Milan; and on its banks several important battles have been fought, notably that of Lodi, where Napoleon defeated the Austrians in 1796.