2920864 The hay-loft plot of Thistlewood and his 24 conspirators at 8 o\'clock in Cato Street Edgeware Road London, 1820 (lithograph) by Williams, Charles (Ansell) (fl.c.1797-1850); Private Collection; (add.info.: The house in Cato Street where the conspirators met to plan the murder of the entire British cabinet and were arrested in 1820. The leader Arthur Thistlewood, William Davidson and 3 conspirators were hanged for high treason and 5 others transported. As one or two try to escape, Thistlewood stabs a police officer with Davidson (from Jamaica) behind him. ).