FOND DU LAC, a city of Wisconsin, U.S.A., 6om. N. by W. of Milwaukee, at the south end of Lake Winnebago; the county seat of Fond du Lac county. It is on Federal highways 41 and 151, and is served by the Chicago, Milwaukee, St. Paul and Pacific, the Chicago and North Western, and the Soo Line rail ways, and by numerous motor bus lines and interurban trolley cars. The population was 23,427 in 1920, and was 26,449 in 193o by the Federal census. It is division headquarters of two of the railways, which have extensive shops just outside the city limits, employing 1,500 men. There are varied and important manufactures, with an output in 1927 valued at $17,828,884. The city has a wide trade territory, and is the supply point for the many summer resorts around the lake. At Calvary, a few miles east, is a monastery of the Capuchin order, established about 187o. Fond du Lac was settled about 1835, incorporated as a village in 1847, and chartered as a city in 1852.