sentences:  A company of expatriate Scottish immigrants had formed The Scottish Company in 1865, and reformed as The Duke of Edinburgh's Own on 18 November 1867.In 1868, the colony's Whitworth 12-pounder guns, which had been purchased the year before, were fired for the first time when they were exercised at Glenelg.That year the two artillery companies were merged to form the South Australian Regiment of Volunteer Artillery.