William Cullen Bryant (November 3, 1794 - June 12, 1878) was an American romantic poet, journalist, and long-time editor of the New York Evening Post.

William C. Bryant

William Cullen Bryant (November 3, 1794 - June 12, 1878) was an American romantic poet, journalist,…

Henry Wadsworth Longfellow (February 27, 1807 – March 24, 1882) was an American educator and poet whose works include "Paul Revere's Ride", The Song of Hiawatha, and "Evangeline". He was also the first American to translate Dante Alighieri's The Divine Comedy and was one of the five members of the group known as the Fireside Poets.

Henry W. Longfellow

Henry Wadsworth Longfellow (February 27, 1807 – March 24, 1882) was an American educator and poet…

Hidalgo Castello was a Mexican Roman Catholic priest and revolutionary rebel leader. He is regarded by most Mexican people as the "Father of the Country" and was founder of the Mexican War of Independence movement which fought for independence from Spain in the early 19th century.

Hidalgo Castello

Hidalgo Castello was a Mexican Roman Catholic priest and revolutionary rebel leader. He is regarded…

Lewis Cass (October 9, 1782 – June 17, 1866) was an American military officer and politician. During his long political career, Cass served as a governor of the Michigan Territory, an American ambassador, and a U.S. Senator representing Michigan.

Lewis Cass

Lewis Cass (October 9, 1782 – June 17, 1866) was an American military officer and politician. During…

The Battle of Cedar Creek, or The Battle of Belle Grove, October 19, 1864, was one of the final, and most decisive, battles in the Valley Campaigns of 1864 during the American Civil War.

View at Cedar Creek Battle-ground

The Battle of Cedar Creek, or The Battle of Belle Grove, October 19, 1864, was one of the final, and…

Pascual Cervera y Topete (February 18, 1839 – April 3, 1909) served as Almirante (or Admiral) of the Spanish Caribbean Squadron during the Spanish-American War, and prior to this served his country in a variety of military and political roles.

Admiral Pascual Cervera y Topete

Pascual Cervera y Topete (February 18, 1839 – April 3, 1909) served as Almirante (or Admiral)…

Adna Romanza Chaffee was a General in the United States Army. Chaffee took part in the American Civil War and Indian Wars, played a key role in the Spanish-American War, and was instrumental at crushing the Boxer Rebellion in China.

Adna Romanza Chaffee

Adna Romanza Chaffee was a General in the United States Army. Chaffee took part in the American Civil…

Fort Chambly at the foot of the Chambly rapids on the Richelieu River in Quebec, Canada, was built by the French in 1711.

Fort Chambly

Fort Chambly at the foot of the Chambly rapids on the Richelieu River in Quebec, Canada, was built by…

Royal Savage, a two-masted schooner, was damaged and sunk by American forces under Richard Montgomery during the siege of St. Johns (St. Jean-Iberville), Quebec, in the fall of 1775.

The Royal Savage

Royal Savage, a two-masted schooner, was damaged and sunk by American forces under Richard Montgomery…

The Battle of Chancellorsville was a major battle of the American Civil War, fought near the village of Spotsylvania Courthouse, Virginia, from April 30 to May 6, 1863.

Ruins of Chancellorsville

The Battle of Chancellorsville was a major battle of the American Civil War, fought near the village…

Nicolaus Copernicus (February 19, 1473 - May 24, 1543) was the first astronomer to formulate a scientifically based heliocentric cosmology that displaced the Earth from the center of the universe. His epochal book, <em>De revolutionibus orbium coelestium</em> (On the Revolutions of the Celestial Spheres), is often regarded as the starting point of modern astronomy and the defining epiphany that began the Scientific Revolution.

Nicolaus Copernicus

Nicolaus Copernicus (February 19, 1473 - May 24, 1543) was the first astronomer to formulate a scientifically…

Johannes Kepler (December 27, 1571 - November 15, 1630) was a German mathematician, astronomer and astrologer, and key figure in the 17th century astronomical revolution. He is best known for his eponymous laws of planetary motion, codified by later astronomers based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. They also provided one of the foundations for Isaac Newton's theory of universal gravitation.

Johannes Kepler

Johannes Kepler (December 27, 1571 - November 15, 1630) was a German mathematician, astronomer and astrologer,…

Galileo Galilei (15 February 1564 - 8 January 1642) was a Tuscan (Italian) physicist, mathematician, astronomer, and philosopher who played a major role in the scientific revolution. His achievements include improvements to the telescope and consequent astronomical observations, and support for Copernicanism. Galileo has been called the "father of modern observational astronomy," the "father of modern physics," the "father of science," and "the Father of Modern Science." The motion of uniformly accelerated objects, taught in nearly all high school and introductory college physics courses, was studied by Galileo as the subject of kinematics. His contributions to observational astronomy include the telescopic confirmation of the phases of Venus, the discovery of the four largest satellites of Jupiter, named the Galilean moons in his honor, and the observation and analysis of sunspots. Galileo also worked in applied science and technology, improving compass design.

Galileo Galilei

Galileo Galilei (15 February 1564 - 8 January 1642) was a Tuscan (Italian) physicist, mathematician,…

A view of Charleston, South Carolina during the Civil War.

Charleston During the Civil War

A view of Charleston, South Carolina during the Civil War.

Salmon Portland Chase was an American politician and jurist in the Civil War era who served as U.S. Senator from Ohio and Governor of Ohio; as U.S. Treasury Secretary under President Abraham Lincoln; and as Chief Justice of the United States.

Salmon Portland Chase

Salmon Portland Chase was an American politician and jurist in the Civil War era who served as U.S.…

Black Partridge or Black Pheasant was a 19th century Peoria Lake Pottawatomie chieftain. He was later awarded a silver medal and had the engraving of President James Madison.

Medal Given to Black Partridge

Black Partridge or Black Pheasant was a 19th century Peoria Lake Pottawatomie chieftain. He was later…

Fort Dearborn, named in honor of Henry Dearborn, was a United States fort built on the Chicago River in 1803 by troops under Captain John Whistler.

The Last Vestige of Fort Dearborn

Fort Dearborn, named in honor of Henry Dearborn, was a United States fort built on the Chicago River…

The Battle of Chickamauga, fought September 18-20, 1863, marked the end of a Union offensive in south-central Tennessee and northwestern Georgia called the Chickamauga Campaign. The battle was the most significant Union defeat in the Western Theater of the American Civil War.

Battle of Chickamauga

The Battle of Chickamauga, fought September 18-20, 1863, marked the end of a Union offensive in south-central…

American troops entering Peking during the Boxer Rebellion.

American Troops Entering Peking

American troops entering Peking during the Boxer Rebellion.

Brooklyn Navy Yard is an American shipyard, located 1.7 miles (2.7 km) northeast of the Battery on the Brooklyn side of the East River in Wallabout Basin, a semicircular bend of the East River across from Corlear's Hook in Manhattan. The area is part of Brooklyn Community Board 2. Bounded by Navy Street, Flushing and Clinton Avenues, it covered over 200 acres (0.81 km&sup2;) at the height of its production of U.S. Navy warships.

Brooklyn Shipyard

Brooklyn Navy Yard is an American shipyard, located 1.7 miles (2.7 km) northeast of the Battery on the…

Joseph Hodges Choate (January 24, 1832 - 1917), was an American lawyer and diplomat to the United Kingdom.

Joseph Hodges Choate

Joseph Hodges Choate (January 24, 1832 - 1917), was an American lawyer and diplomat to the United Kingdom.

Fort Lafayette was an island coastal fortification in New York Harbor, built next to Fort Hamilton. During the Civil War, the casement were used to house Confederate prisoners of war and politicians opposed to Abraham Lincoln's administration policies.

Fort Lafayette

Fort Lafayette was an island coastal fortification in New York Harbor, built next to Fort Hamilton.…

Rear Admiral Charles Edgar Clark (10 August 1843 - 1 October 1922) was an officer in the United States Navy during the American Civil War and the Spanish-American War.

Charles Edgar Clark

Rear Admiral Charles Edgar Clark (10 August 1843 - 1 October 1922) was an officer in the United States…

Green Clay was an American surveyor, representative to the Virginia legislature, general of the Kentucky militia during the War of 1812.

Green Clay

Green Clay was an American surveyor, representative to the Virginia legislature, general of the Kentucky…

American writer who wrote classics such as The Adventures of Huckleberry Finn, The Adventures of Tom Sawyer, A Yankee in King Arthur's Court and The Prince and the Pauper under the pen name Mark Twain.

Samuel Langhorne Clemens

American writer who wrote classics such as The Adventures of Huckleberry Finn, The Adventures of Tom…

DeWitt Clinton (March 2, 1769 - February 11, 1828) was an early American politician who served as United States Senator and Governor of New York. In this last capacity he was largely responsible for the construction of the Erie Canal.

DeWitt Clinton

DeWitt Clinton (March 2, 1769 - February 11, 1828) was an early American politician who served as United…

DeWitt Clinton was an early American politician who served as United States Senator and Governor of New York. Pictured here is his monument.

Clinton's Monument

DeWitt Clinton was an early American politician who served as United States Senator and Governor of…

Henry Clinton wrote a dispatch to Burgoyne and enclosed it in an elliptical silver bullet, small enough to be swallowed if necessary.

Clinton's Dispatch and Bullet

Henry Clinton wrote a dispatch to Burgoyne and enclosed it in an elliptical silver bullet, small enough…

He was an American political figure. A Southern Democrat, Cobb was a five-term member of the United States House of Representatives and Speaker of the House from 1849 to 1851. He also served as a Secretary of Treasury under President James Buchanan and Governor of Georgia.

Howell Cobb

He was an American political figure. A Southern Democrat, Cobb was a five-term member of the United…

The Liberty Cap large cents of 1793-1796 are the classics of early American copper coinage.

Liberty-cap Cent

The Liberty Cap large cents of 1793-1796 are the classics of early American copper coinage.

The Battle of Cold Harbor, the final battle of Union Lt. Gen. Ulysses S. Grant's 1864 Overland Campaign during the American Civil War, is remembered as one of American history's bloodiest, most lopsided battles.

Battle of Cold Harbor

The Battle of Cold Harbor, the final battle of Union Lt. Gen. Ulysses S. Grant's 1864 Overland Campaign…

Vincent Colyer (1825 - July 12, 1888) was a successful American artist noted for the images he created of the American West and a humanitarian who worked with philanthropic and Christian groups and the U.S. government to try to help freed black slaves and Native Americans.

Vincent Colyer

Vincent Colyer (1825 - July 12, 1888) was a successful American artist noted for the images he created…

The Confederate rosette and badge was worn by supporters of the Southern Confederation.

Confederate Rosette and Badge

The Confederate rosette and badge was worn by supporters of the Southern Confederation.

The seal of the Confederate States.

Confederate States Seal

The seal of the Confederate States.

The first flag of the U.S. Confederacy.

First Confederate Flag

The first flag of the U.S. Confederacy.

The second Confederate Flag adopted May 1, 1863, called the Confederate National Flag.

Confederate National Flag - No. 2

The second Confederate Flag adopted May 1, 1863, called the Confederate National Flag.

The third Confederate Flag adopted March 4, 1865, called the Confederate National Flag.

Confederate National Flag - No. 3

The third Confederate Flag adopted March 4, 1865, called the Confederate National Flag.

The Confederate Battle Flag.

Confederate Battle Flag

The Confederate Battle Flag.

The Confederate privateer ship USS Sumter.

Privateer Ship Sumter

The Confederate privateer ship USS Sumter.

Castle Thunder, located in Richmond, Virginia, was a former tobacco warehouse located on Tobacco Row, converted into a prison used by the Confederacy to house civilian prisoners, including captured Union spies, political prisoners and those charged with treason during the American Civil War.

Castle Thunder

Castle Thunder, located in Richmond, Virginia, was a former tobacco warehouse located on Tobacco Row,…

A view of the prison-pen at Millen, Georgia.

The Prison at Millen

A view of the prison-pen at Millen, Georgia.

Jefferson Davis', the President of the Confederate States of America, first message.

Jefferson Davis's First Message

Jefferson Davis', the President of the Confederate States of America, first message.

James Fenimore Cooper (September 15, 1789 - September 14, 1851) was a prolific and popular American writer of the early 19th century. Among his most famous works is <em>The Last of the Mohicans</em>, which many consider to be his masterpiece.

James Fenimore Cooper

James Fenimore Cooper (September 15, 1789 - September 14, 1851) was a prolific and popular American…

Lord Cornwallis Surrendered Yorktown to George Washington on October 19, 1781. The terms of surrender were documented in a formal "Articles of Capitulation".

One of the Articles of Capitulation with Cornwallis's Signature

Lord Cornwallis Surrendered Yorktown to George Washington on October 19, 1781. The terms of surrender…

Samuel Wylie Crawford (November 8, 1829 - November 3, 1892) was a United States Army surgeon and a Union general in the American Civil War.

Samuel Wylie Crawford

Samuel Wylie Crawford (November 8, 1829 - November 3, 1892) was a United States Army surgeon and a Union…

John Jordan Crittenden (September 10, 1786 - July 26, 1863) was an American statesman from Kentucky. He twice served as United States Attorney General. He represented Kentucky in both houses of Congress and served as the state's seventeenth governor.

John Jordan Crittenden

John Jordan Crittenden (September 10, 1786 - July 26, 1863) was an American statesman from Kentucky.…

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was a 6,682-ton second-class pre-dreadnought battleship. The sinking of the Maine precipitated the Spanish-American War.

United States Battleship Maine

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was…

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was a 6,682-ton second-class pre-dreadnought battleship. The sinking of the Maine precipitated the Spanish-American War.

Wreck of the Maine in Havana Harbor

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was…

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was a 6,682-ton second-class pre-dreadnought battleship. The sinking of the Maine precipitated the Spanish-American War.

Projection Showing Position of Bow and Keel of the Maine

USS Maine (ACR-1), the first ship of the United States Navy to be named for the state of Maine, was…

Samuel Ryan Curtis (February 3, 1805 - December 26, 1866) was an American military officer, most famous for his role in the Trans-Mississippi Theater of the American Civil War.

Samuel Ryan Curtis

Samuel Ryan Curtis (February 3, 1805 - December 26, 1866) was an American military officer, most famous…

George Armstrong Custer (December 5, 1839 - June 25, 1876) was a United States Army officer and cavalry commander in the American Civil War and the Indian Wars.

George Armstrong Custer

George Armstrong Custer (December 5, 1839 - June 25, 1876) was a United States Army officer and cavalry…

The Gunpowder Plot of 1605, or the Powder Treason, as it was known at the time, was a failed assassination attempt by a group of provincial English Catholics against King James I of England and VI of Scotland. The plot intended to kill the king, his family, and most of the Protestant aristocracy in a single attack by blowing up the Houses of Parliament during the State Opening on 5 November 1605. The conspirators had also planned to abduct the royal children, not present in Parliament, and incite a popular revolt in the Midlands.

Gunpowder Conspirators' House, Lambeth

The Gunpowder Plot of 1605, or the Powder Treason, as it was known at the time, was a failed assassination…

Rear Admiral John Adolphus Bernard Dahlgren, USN, (November 13, 1809 &ndash; July 12, 1870) merchant and Swedish Consul in Philadelphia, Pennsylvania, made his career in the United States Navy.

John Adolph Dahlgren

Rear Admiral John Adolphus Bernard Dahlgren, USN, (November 13, 1809 – July 12, 1870) merchant…

Charles Anderson Dana (August 8, 1819 &ndash; October 17, 1897) was an American journalist, author, and government official, best known for his association with Ulysses S. Grant during the American Civil War and his aggressive political advocacy after the war.

Charles Anderson Dana

Charles Anderson Dana (August 8, 1819 – October 17, 1897) was an American journalist, author,…

Cushman Kellogg Davis (June 16, 1838 – November 27, 1900) was an American politician who served as the 7th Governor of Minnesota and as a U.S. Senator, from March 4, 1887 until his death.

Cushman Kellogg Davis

Cushman Kellogg Davis (June 16, 1838 – November 27, 1900) was an American politician who served as…

Jefferson Columbus Davis (March 2, 1828 &ndash; November 30, 1879) was an officer in the United States Army who served in the Mexican-American War, the Civil War, and the Modoc War.

Jefferson C. Davis

Jefferson Columbus Davis (March 2, 1828 – November 30, 1879) was an officer in the United States…

Commodore Stephen Decatur, Jr (5 January 1779 &ndash; 22 March 1820) was an American naval officer notable for his heroism in the Barbary Wars and in the War of 1812.

Stephen Decatur

Commodore Stephen Decatur, Jr (5 January 1779 – 22 March 1820) was an American naval officer notable…

The residence was rechristened "Kalorama", Greek for "beautiful view", by its new owner, American author Joel Barlow, who lived in the home until shortly before his death in 1812.

Kalorama

The residence was rechristened "Kalorama", Greek for "beautiful view", by its new owner, American author…

Independence Hall, Philadelphia where the Declaration of Independence was signed.

Independence Hall

Independence Hall, Philadelphia where the Declaration of Independence was signed.

The garden house in which Jefferson and others celebrated the passage of the Declaration of Independence.

Garden House in Which Jefferson Celebrated the Passage of the Declaration

The garden house in which Jefferson and others celebrated the passage of the Declaration of Independence.