It is unclear where French fries originated. Both the French and Belgians have claimed ownership of the invention, which is no surprise given their close proximity to each other and the common language.  Belgian journalist Jo Gérard references the popular side dish in his family manuscript from 1781, stating that in the Meuse Valley (present-day Belgium), potatoes were often deep-fried. They had a custom “of fishing in the Meuse for small fish and frying, especially among the poor, but when the river was frozen and fishing became hazardous, they cut potatoes in the form of small fish and put them in a fryer…”