Which 19th-century German philosopher declared "God is dead"?

A 1999 TV movie portrayed the sinking of the Union sloop Housatonic by which Confederate submarine? A 19th-century goblet in the JFK Library was a gift to Kennedy when he visited which land of his ancestors in 1963? Which 19th-century British prime minister was nicknamed "Dizzy"? Which nickname for New York City, from a term for a desirable prize, spread from a 1921 newspaper horse-racing column? What was a 19th-century warship protected by metal armor plates called? What is a building with two separate homes, each with its own entrance, called? Which two-time Oscar-winning actress got one of her first jobs as the Coppertone girl at age 3? Nebraska won 20–10 in 2001 in its bitter rivalry with which school's Sooners?