Question: What is the year of the event which occured first, Richard Nixon was born, or The Trial of Henry Kissinger was published?
Sentence (from "Linkage (policy)"): Linkage was a policy pursued by the United States of America, championed by Richard Nixon and Henry Kissinger, during the 1970s period of Cold War Détente which aimed to persuade the Soviet Union and Communist China to co-operate in restraining revolutions in the Third World in return for concessions in nuclear and economic fields.
Relevant evidence: No