The first Chancellor of unified Germany, renowned for his role in the unification of Germany through strategic wars and diplomacy in the 19th century. He employed balance-of-power politics to establish Germany as a preeminent state in Europe.

A key Austrian diplomat whose work at the Congress of Vienna helped establish the European balance of power post-Napoleon. His influence is noted for maintaining relative peace in Europe through his diplomatic efforts.

The Supreme Leader of Iran who transformed Iran from a secular monarchy to the Islamic Republic following the 1979 Revolution. His guiding vision significantly altered the Middle Eastern regional order and impacted global international relations.

The 32nd President of the United States, noted for his leadership through the Great Depression and World War II. His diplomatic approach helped elevate the U.S. to superpower status by the war's end.

The 26th President of the United States, remembered for expanding America's global influence and winning the Nobel Peace Prize for the Portsmouth Treaty. His foreign policy emphasized American strategic involvement in global affairs.

The 28th President of the United States, recognized for his idealistic internationalism, particularly post-World War I. He was instrumental in establishing the League of Nations and promoting global cooperation and universal values in foreign policy.