Interesting Things with JC #1704: "Lincoln Wasn't the Only Target" – John Wilkes Booth killed President Abraham Lincoln while three other assassins moved against Vice President Andrew Johnson, Secretary of State William H. Seward, and General Ulysses S. Grant in a coordinated attempt to cripple the United States government in a single night. On July 5, 1865, President Andrew Johnson signed the order confirming the convictions of the conspirators who tried to assassinate not only Abraham Lincoln, but also the vice president, secretary of state, and commanding general in a single coordinated plot.