Main Page | See live article | Alphabetical index Peterborough (2001 population 71,446) is a city on the Otonabee River in Ontario, Canada. Peterborough was incorporated as a town in 1850 and as a city in 1905. Manufacturing is the biggest local industry, with General Electric and Quaker Oats maintaining large operations in Peterborough. Peterborough is the home of Trent University. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.