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Potsdam, New York, served as the birthplace of Frank B. Kellogg, a prominent American statesman and the 45th U.S. Secretary of State. His tenure was marked by notable achievements in international diplomacy, including the negotiation of the Kellogg-Briand Pact, which outlawed war as an instrument of national policy. Kellogg's legacy is one of significant contributions to international peace and cooperation.