Professor David Kennedy talks about the punitive nature of the Treaty of Versailles, signed after World War I.

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Historians Doris Kearns Goodwin and Carl Sferrazza Anthony discuss little-known facts about past presidents like Harding, Cleveland, Franklin D. Roosevelt, Kennedy, and Reagan.

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This iCue Mini-Documentary introduces President Theodore Roosevelt's selection of his good friend William Howard Taft as his successor. However, Taft turned out to be a disappointment to Roosevelt Progressives.

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Pulitzer-Prize-winning author Edmund Morris discusses Roosevelt's White House years, subject of his latest presidential biography, Theodore Rex.

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This iCue Mini-Documentary describes how, at the outbreak of World War I, industries in the north opened employment to African Americans. They left the south in record numbers for jobs in the north.

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The fire at the Triangle Shirtwaist factory in New York City was the deadliest workplace disaster in New York history until 9/11. David Von Drehle, the author of Triangle: The Fire that Changed America, discusses the fire in this segment from the NBC Today Show.

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Most of the early films of the silent era were seen as less than respectable, says Josh Brown of the American Social History Project.

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This CNBC News Report describes how, in late 19th-century America, J.P Morgan helped build the modern industrial economy and saved the financial markets from a panic in 1907.

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This CNBC News Report describes how the U.S. Supreme Court ruled Standard Oil a monopoly when it controlled 90 percent of the world's oil refining. However, John D. Rockefeller maintained control of the oil companies that splintered off from the monopoly, securing his historic fortune.

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A 101-year-old former slave tells about the suffering he experienced as a boy.

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