1. Who or what came first? Book: Jack London, "The Call of the Wild" Invention: the paper clip Person: Amelia Earhart is born Event: President McKinley is assassinated

2. Who or what came first? Invention: the zipper Event: Brooklyn Bridge Opens Person: Groucho Marx is born Book: Oscar Wilde, "The Importance of Being Earnest"

3. Who or what came first? Invention: the pendulum clock Event: the Thirty Years' War begins Person: Sir Isaac Newton is born Book: William Shakespeare, "Macbeth"

4. Who or what came first? Book: Rudyard Kipling, "The Jungle Book" Person: Sir Edmund Hillary is born Invention: sonar Event: the Russian Revolution

5. Who or what came first? Event: The Magna Carta is signed Person: Marco Polo is born Invention: eyeglasses Book: Geoffrey Chaucer, "The Canterbury Tales"

6. Who or what came first? Invention: the cotton gin Event: the Louisiana Purchase Person: Abraham Lincoln is born Book: Jane Austen, "Pride and Prejudice"

7. Who or what came first? Invention: the sewing machine Event: The California Gold Rush begins Person: Thomas Edison is born Book: Charles Dickens, "A Tale of Two Cities"

8. Who or what came first? Person: Charles Darwin is born Event: the Battle of Waterloo Invention: the stethoscope Book: Mary Shelley, "Frankenstein"

9. Who or what came first? Invention: the telescope Book: Miguel Cervantes, "Don Quixote" Event: Guy Fawkes is convicted and executed for the Gunpowder Plot Person: René Descartes is born

10. Who or what came first? Book: James Joyce, "Ulysses" Person: Dr. Martin Luther King, Jr. is born Invention: nylon Event: The Spanish Civil War begins