Ladoga, Indiana Ladoga, Indiana Ladoga is a town in Clark Township, Montgomery County, in the U.S. state of Indiana. The population was 985 at the 2010 census. Ladoga was platted in 1836 by John Myers. Myers invited his friends to help him find a name. He required that the name not end in -burg or -ville and that it would not be named after another town. He chose Ladoga after finding Lake Ladoga on a map of Russia. In 1837, the town's post office was established, which still operates today. In 1840 there were fifteen buildings in Ladoga, including two large stores
Lake Ladoga concentrated ice of the Fennoscandian Ice Sheet into an ice stream that fed glacier lobes further east. Deglaciation following the Weichselian glaciation took place in the Lake Ladoga basin between 12,500 and 11,500 radiocarbon years BP. Lake Ladoga was initially part of the Baltic Ice Lake (70–80 m. above present sea level), a historical freshwater stage of Baltic Sea. It is possible, though not certain, that Ladoga was isolated from it during regression of the subsequent Yoldia Sea brackish stage (10,200–9,500 BP). The isolation threshold should be at Heinjoki to the east of Vyborg, where the Baltic Sea and Ladoga