 Fire destroyed the Centre Block on February 3, 1916.Despite the ongoing war, the original cornerstone was re-laid by Governor General Prince Arthur, Duke of Connaught, on September 1, 1916; exactly fifty-six years after his brother, the future King Edward VII, had first set it.Eleven years later, the new tower was completed and dedicated as the "Peace Tower", in commemoration of the Canadians who had lost their lives during the First World War.