Martin Van Buren

The origins of the word "OK" have long been a subject of scholarly debate.

How One Man Discovered the Obscure Origins of the Word 'OK'

From Civil War biscuits to a Haitian port town, theories about the word's beginnings abounded

Abraham Lincoln, William Judkins Thomson, half-plate ambrotype, 1858

See the Photographs That Introduced Americans to Their Presidents

The National Portrait Gallery traces early images of American leaders, from John Quincy Adams to Abraham Lincoln

In 1836, both camps in the so-called Bank War—supporters of U.S. president Andrew Jackson, and supporters of the Second Bank of the United States president Nicholas Biddle—lobbed accusations of conspiracy to sway Americans to their sides.

Conspiracy Theories Abounded in 19th-Century American Politics

Rumors of secret alliances, bank deals, and double-crossings were rampant in early American elections

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