The French fries were invented in Meuse Valley, where people used to fry small fish as staple for their meals. However, the rivers dried up and the locals could not fish. The only thing left for them to eat was potatoes. They started to cut them into pieces and fry them, as they did to the fish. For more information, visit http://www.todayifoundout.com/index.php/2010/09/the-history-of-french-fries/.