A 400-year-old landmark bridge in Mostar was destroyed by Croat forces in 1993. In which country is Mostar?

In which city did a 381-day bus boycott begin in December 1955? In physics, the four-dimensional continuum called spacetime combines the three dimensions of space with what? Which four-star general became Ronald Reagan's first Secretary of State in 1981? Which four-time governor of Alabama, first elected in 1962, worked his way through law school as a professional boxer? A 4,083-foot Vermont mountain is named for which camel feature? A 41.94-carat diamond is named for which emperor of Mexico, whose wife Carlotta was reportedly mad about it? A visitor center in Stoke-on-Trent tells the story of which British pottery firm, founded in the 1700s? Which 4th-century bishop and theologian wrote the "Confessions"?