CASTINE — The Castine Historical Society will host a talk via Zoom entitled “Cotton’s Ocean: Castine and the Antebellum Cotton Trade.” In his talk, speaker Stephen J. Hornsby will focus on the importance of the trans-Atlantic cotton trade for the growth of the shipbuilding and ship owning industries in Maine before the Civil War, and how Castine fit into this world of oceanic commerce.

Hornsby is director of the Canadian-American Center and Professor of Geography and Canadian Studies at the University of Maine. He is the author and co-editor of several prize-winning books, including the “Historical Atlas of Maine (2015).”