A pinch of trivia

1. History: What century did Peter the Great become czar of Russia?

2. Natural World: What is the longest-living mammal?

3. Entertainers: Who has a company called Harpo Productions?

4. Spaceflight: When was the first space shuttle flight?

5. Geography: What river runs through Florence, Italy?

6. Discoveries: Whose experiments led to the invention of vulcanized rubber?

Answers

1. 17th century

2. Human being

3. Oprah Winfrey

4. 1981

5. Arno

6. Charles Goodyear