 Following Canadian Confederation in July 1867, PAM was managed by the Canadian Minister of Militia.PAM was mobilized on a number of occasions in the latter half of the 19th century, including the Fenian raids, the Wolseley expedition, the North-West Rebellion, and the Second Boer War.The Second Boer War saw more than 8,000 volunteers raised for service in South Africa, from a number of militia regiments in Canada, including PAM.