Abraham Lincoln arrives in Washington, D.C.

On February 23, 1861, President-elect Abraham Lincoln arrives in Washington, D.C., amid secrecy and tight security. With seven states having already seceded from the Union since Lincoln’s election, the threat of civil war hung in the air. Allen Pinkerton, head of a private detective agency, had uncovered a plot to assassinate Lincoln when he passed through Baltimore on his way to the capital…