The historical figure known for promoting peace during the Cold War is John F. Kennedy. His administration focused on diplomatic efforts, notably through the establishment of the Peace Corps and the negotiation of the Nuclear Test Ban Treaty in 1963. Kennedy’s approach emphasized the importance of dialogue and cooperation between nations, particularly in the context of the Cuban Missile Crisis, where his leadership played a crucial role in avoiding nuclear conflict. His advocacy for peace and understanding continues to resonate in discussions of international relations.