On This Day: September 15

Kurt Heintz of Encyclopædia Britannica investigates the mystery of the time Agatha Christie, writer of iconic detectives novels featuring Hercule Poirot and Miss Marple, went missing. Later, a Confederate victory during the Civil War and, in 1963, the anniversary of the tragic Birmingham bombing. Fast Facts visit the birthdays of Prince Harry, duke of Sussex, writer and speaker Chimamanda Ngozi Adichie, and U.S. President William Howard Taft.