A pluriversal analysis of eighteenth-century British imperial designations of space, place and peoples through the contending performances cultures of British Sumatra as relayed by young naturalist William Marsden. In Bencoolen from 1771 to 1778, Marsden demonstrated that the island was the center of a new world historical language stretching from Madagascar to Easter Island. Here a performance of The Wonder! A Woman Keeps a Secret, in conjunction with the gathering of materials for his future history of Sumatra, galvanized new appreciation for Sumatrans’ diverse cultures and their place in Britain’s glbal history.