… 1640 and the factors that contributed to its ending in 1807. In this regard, it will pay tribute to David Brion … “Growth and Expansion of the British Slave Trade, 1660-1807” March 5, 4:30 p.m. Mezzanine, Beinecke Rare Book and … “Ideology, Politics and British Abolitionism, c. 1780-1807” March 7, 4:30 p.m. Linsly-Chittenden, Room 211, 63 High …