Problem: Who led Czechoslovakia before the 1968 Soviet invasion
Answer: alexander dubcek

Problem: Which group sang about 'Mrs. Brown's lovely daughter' in 1965?
Answer: herman s hermits

Problem: By what name were Abbie Hoffman, Jerry Rubin, David Dellinger, Tom Hayden, Rennie Davis, John Froines, Lee Weiner, and Bobby Seale collectively known when they appeared before Judge Julius Hoffman in 1969?
Answer: chicago eight

Problem: By what title was British Prime Minister Robert Banks Jenkinson otherwise known?
Answer:
earl of liverpool