Sophia Loren and her mother worked as extras in which 1951 Robert Taylor epic set during the reign of Nero?

Both parts of the 2004 pilot of which mysterious ABC drama were directed by co-creator J.J. Abrams? Which word describes something that is both pleasant and painful, like a fond memory of a happy time now gone? Both sides suffered more than 20,000 casualties at which battle fought July 1 to 3, 1863? Both sons of Methodist ministers, which two men were the Democratic presidential nominees in 1972 and 1984? Susan Blakely and Jessica Lange both played which troubled Hollywood actress in 1980s films? Which boxer won the 1976 Olympic light welterweight gold medal in Montreal? Which golfer, the only player to win golf's Grand Slam in a single season, co-founded Augusta National and the Masters? Both the Declaration of Independence and which 1787 document were signed in Philadelphia's Independence Hall?