Battle of Ridgeway National Historic Site Cairn and Service, 2016, from Peter Vronsky. June 2 marked the 160th anniversary of the Battle of Ridgeway (also known as the Battle of Lime Ridge), which took place near the town of Fort Erie, Ontario. June 2 also marked the 136th anniversary of Decoration Day. On June 2, 1966, Irish-American invaders, known as the Fenians, many of whom were veterans of the American Civil War, faced a largely inexperienced group of Canadian troops.