 The dispute culminated in a declaration of war by Britain in May 1803; Napoleon responded by reassembling the invasion camp at Boulogne.During the Consulate, Napoleon faced several royalist and Jacobin assassination plots, including the "Conspiration des poignards" (Dagger plot) in October 1800 and the Plot of the Rue Saint-Nicaise (also known as the "Infernal Machine") two months later.In January 1804, his police uncovered an assassination plot against him that involved Moreau and which was ostensibly sponsored by the Bourbon family, the former rulers of France.