John James Audubon (Jean-Jacques) was a French American ornithologist, naturalist, and painter. He was notable for his expansive studies to document all types of American birds and for his detailed illustrations that depicted the birds in t...

General Gregor MacGregor was a Scottish soldier, adventurer and confidence trickster who attempted from 1821 to 1837 to draw British and French investors and settlers to "Poyais", a fictional Central American territory that he claimed to ru...

Rear-Admiral Sir John Franklin KCH FRGS RN was a British Royal Navy officer and Arctic explorer. Franklin also served as governor of Tasmania for several years. In his last expedition, he disappeared while attempting to chart and navigate a...

Sir Samuel Cunard, a Canadian-born British magnate, was a giant of Atlantic shipping. When the British government invited bids (1838) for carrying mail between England and Boston, Cunard's carefully considered plans won him the contract, an...

Emma Willard was an American women's rights advocate and the pioneer who founded the first women's school of higher education. When Emma Willard addressed the New York legislature in 1819 on the subject of education for women, she was contr...

Sacagawea, also Sakakawea or Sacajawea, was a Lemhi Shoshone woman who helped the Lewis and Clark Expedition achieve each of its chartered mission objectives exploring the Louisiana Purchase. With the expedition, between 1804 and 1806, she...

The Constitution of the United States is the supreme law of the United States of America. The Constitution, originally comprising seven articles, delineates the national frame of government. Its first three articles entrench the doctrine of...

The White House is the official residence and workplace of the president of the United States. It is located at 1600 Pennsylvania Avenue NW in Washington, D.C., and has been the residence of every U.S. president since John Adams in 1800. Th...

John Tyler, 10th President of the United States (1841-1845), signaled the last gasp of the Old Virginia aristocracy in the White House. Born a few years after the American Revolution in 1790 to an old family from Virginia's ruling class, Ty...

James Buchanan, 15th President of the United States (1857-1861). In the 1850s, the question of slavery divided the United States. Hopes ran high that the new President, "Old Buck," might be the man to avert national crisis. He failed entire...

Samuel Finley Breese Morse was an American painter and inventor. After having established his reputation as a portrait painter, in his middle age Morse contributed to the invention of a single-wire telegraph system based on European telegra...

Francisco José de Paula Santander y Omaña was a Colombian military and political leader during the 1810–1819 independence war of the United Provinces of New Granada (present-day Colombia). He was the acting President of Gran Colombia betwee...

Stephen Fuller Austin, known as the "Father of Texas," led the Anglo-American colonization of the region. The capital city of Austin, Texas and Austin County, Texas, Stephen F. Austin State University in Nacogdoches, Texas as well as severa...

Matthew Calbraith Perry was a Commodore of the U.S. Navy and commanded a number of ships. He served in several wars, most notably in the Mexican-American War and the War of 1812. He played a leading role in the opening of Japan to the West...

Under James Knox Polk,11th US President (1845-1849), the United States grew by more than a million square miles, across Texas and New Mexico to California and even Oregon. More than any other President, Polk exercised "Manifest Destiny," a...