 The popularity of Highland Regiments was at an all-time high in Canada after the First World War and a number of line infantry units chose to adopt Highland dress and customs.In 1920 The Ottawa Regiment (The Duke of Cornwall's Own) converted to a Highland Regiment adopting the title of The Ottawa Highlanders and the uniform of the Camerons.Steps were taken to form an alliance with the new Cameron Regiment in Ottawa and the alliance was formally granted in 1923.