Problem: In which city was the American Declaration of Independence signed?
Answer: philadelphia

Problem: Who had a No 1 in the 70's with Knowing Me Knowing You
Answer: abba

Problem: Which Portuguese navigator (1467-1520) is regarded as the discoverer of Brazil?
Answer: pedro alvares cabral

Problem: 'Charolais' and 'Semental' are both breeds of what?
Answer:
cattle