 During the Lincoln assassination, there were also attacks planned against current Vice-president Andrew Johnson and Secretary of State William H. Seward, but Johnson's did not go through, and Seward survived the attack.An assassination plot against Jefferson Davis, known as the Dahlgren Affair, may have been initiated during the American Civil War.In Europe the assassination of Archduke Franz Ferdinand by Gavrilo Princip, one of several Serb nationalist insurgents, triggered World War I. Archduke Franz Ferdinand was visiting Bosnia-Herzegovina, since it was newly annexed to the Austro-Hungarian Empire.