The fourth U.S. president, James Madison believed in a robust yet balanced federal government and is known as the "Father of the Constitution."

• U.S. President
  (1751–1836)

Franz Ferdinand's assassination on June 28, 1914, at the hand of a Serbian terrorist group the "Black Hand," led to the beginning of World War I.

• Duke
  (1863–1914)

Robert C. Byrd is best known as the longest-serving senator and longest-serving member in the history of the United States Congress.

• U.S. Representative
  (1917–2010)

Theodora was empress of the Byzantine Empire from 527 A.D. to 548 A.D. She greatly influenced her husband, Justinian I's political decisions.

• Emperor
  (c. 497–548)

Emmy Award–winning television and film writer Rod Serling created and hosted the sci-fi fantasy series The Twilight Zone and co-wrote Planet of the Apes.

• Anti-War Activist, Television Personality, Screenwriter, Author
  (1924–1975)

Maria Mitchell is best known for being the first professional female astronomer in the United States. She discovered a new comet in 1847 that became known as "Miss Mitchell's Comet."

• Astronomer, Educator
  (1818–1889)

Billy Mays is best known for his enthusiastic infomercials, pitching products like Orange Glo and Oxiclean.

• Television Personality
  (1958–2009)