Eighteen-year-old Manuel II became king of which country after his father was assassinated in Lisbon in 1908?

Which unit equals one-eighth of a mile, or about 201 meters? 18 square feet equal how many square yards? Which monarch was 18 when she became queen in 1837, and reigned for 63 years? Eighteen-year-old Helen Wills won 1924 Olympic gold in which sport, then dropped from the Games until 1988? Eighteen-year-old William Shakespeare married which woman in November 1582? In 1800, Spain secretly ceded which vast territory to France? Which Ohio city lies southwest of Columbus and northeast of Cincinnati? Who served as Chief Justice of the United States from 1801 to 1835?