Oldest
Westward expansion of the United States: John C. Frémont is appointed Governor of the new California Territory.
U.S. President Dwight D. Eisenhower delivers his "Atoms for Peace" speech, which leads to an American program to supply equipment and information on nuclear power to schools, hospitals, and research institutions around the world.
Yuan Shikai declares the establishment of the Empire of China and proclaims himself Emperor.
Newest
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