1776

The Declaration of Independence

1776-1781

The Revolutionary War

1787

The Northwest Ordinance

U.S. Constitution signed.

1790

John Fitch, First Steamboat
Fitch built the first steamboat, featuring a rack of canoe-like paddles.

1793

Eli Whitney, Industrialization
Whitney's gin and its interchangeable parts revolutionized agriculture.


Samuel Slater, American Factory System
He built first water-powered textile mill in America and created the mill town.

1803

US purchased Louisiana from France.

1804

Oliver Evans, A Better Steam Engine
His high-pressure device made steam engines more powerful.

1807

Robert Fulton, Steamboat Services
He built a reliable steamboat practical for common travel.

1810

Francis Cabot Lowell, Consolidated Manufacturing
His factory structure brought diverse manufacturing tasks under one roof.

1812

US declared war against Britain.

1819

US purchased Florida from Spain.

1821

Henry Miller Shreve, River Rights and Navigation
His snag boat cleared rivers of tree limbs and trunks, opening them to navigation.

1825

The Erie Canal was completed.

1831

Cyrus McCormick, American Big Business
He invented a mechanical means of harvesting grasses and grains.

1835

Samuel Colt, A Mass Market
His revolver fired multiple shots without reloading.

1837

Samuel B. Morse, A Better Telegraph
He developed a practical, single-wire telegraph.

1841

Lewis Tappan, Credit Reporting System
He established the first credit-information service.

1844

Charles Goodyear, Vulcanized Rubber
He discovered how to make rubber useful for manufacturing.

1845

US annexed Texas.

1846-1848

US War with Mexico

1850-1853

Elisha Otis, Safe Elevators
His innovation prevented an elevator from falling if its cable broke.

1857

Isaac Merritt Singer, The American Multinational
He mass-produced the sewing machine and distributed it worldwide.

1859

Edwin Drake, Oil Drilling
His drill led to the discovery and extraction of large quantities of oil.

1861-1865

The Civil War

1863

The Emancipation Proclamation

1865

13th amendment outlawed slavery.

1862-1869

Theodore Judah, Transcontinental Railroad
Before his untimely death in 1863, he secured legislation and funding for the first cross-country railway.

1869

George Westinghouse, Jr., Safer Railroads
His compressed-air brake system made traveling by rail safer.

1873

Levi Strauss, Blue Jeans Empire
His canvas jeans with rivets became an American staple.

1876

Alexander Graham Bell, Telephone
He invented the telephone.


Albert Spalding, Sporting Goods Stores
He innovated the manufacture and sale of sporting goods.


John Wanamaker, Department Store
He turned shopping into an event for ordinary people.

1880

The Great Migration from Eastern and Southern Europe to the US begins.

1883

Julius Schmid, Condoms
He invented the first American condom.

1885

Hiram Maxim, Machine Guns
His machine gun used the recoil of one bullet to pull the next through.

1887

George Eastman, Easy-to-Use Cameras
He coined a new word, Kodak, for his roll-holder camera.


The Interstate Commerce Act


1891

Martha Matilda Harper, Retail Franchise Network
She created an international franchise system of hair and beauty salons.

1894

Chicago Pullman-car workers strike.

1902

Willis Carrier, Air Conditioning
He invented the first modern and efficient air conditioner.

1903

Wilbur and Orville Wright, Human Air Travel
The brothers successfully flew their Kitty Hawk Flyer.

1905

Sarah Breedlove Walker, Grassroots Saleswoman
With her hair straightening system, she pioneered door-to-door salesmanship.

1907

Leo Baekeland, Plastic
He produced the first thermoset plastic that could be easily molded and manufactured.

1908

Henry Ford, Affordable Cars
Using assembly lines, he engineered the Model T and streamlined auto production.


Elmer Sperry, Modern Navigation
His gyrocompass provided pilots and sailors a reliable navigation device.

1909

Frederick Winslow Taylor, Scientific Management
He devised revolutionary systems of workplace efficiency.

1912

Samuel Insull, Cheap Electricity
He developed a centralized system of public utility delivery.

1914

Edwin Howard Armstrong, Modern Radio
By exploiting the FM band, he made clear radio reception possible.


Garrett August Morgan, Affordable Gas Masks
He invented a safety hood to protect firefighters from smoke inhalation.

1914-1919

World War I

1915

Thomas Watson, Advanced Business Machines
He guided his company and the country into the computer age.

1917

US entered World War I.

1919

Prohibition

1920

Women win the right to vote.


The Great Migration ends.

1920-1923

Ida Cohen Rosenthal, Brassiere Tycoon
She designed and marketed the first modern brassiere.

1923

Robert Woodruff, Global Distribution Network
Through innovative marketing, he made Coca-Cola an internationally known brand.

1924

Clarence Birdseye, Retail Frozen Foods
His system of flash-freezing brought the food industry into the modern era.

1927

Juan Trippe, The Jet Age
He pioneered the commercial aviation industry.

1929

US stock market crash

1930

A.P. Giannini, Branch Banking
He formed the first modern bank network.

1933

The New Deal

Prohibition repealed

1935

Charles Richard Drew, Blood Banks
He devised a means of saving the blood from donors for later use.

1936

Raymond Ingram Smith, Gambling
He revolutionized casinos with innovative games and promotion campaigns.

1937

Estée Lauder, Marketing Cosmetics
She popularized her now-famous makeup by offering free samples.

1939-1945

World War II

1940

Walt Disney, Entertainment Empire
His innovative characters and animation made his name synonymous with family entertainment.

1941

Pearl Harbor attacked

1945

US dropped nuclear bombs in Japan.

1946

Georges Doriot, Venture Capital
He made venture capital investing a viable business strategy.

1952

Virginia Apgar, Newborn Baby Evaluation
She created the measure of a newborn baby's health.

1954

Brown v. Board of Education

1955

Ray Kroc, Restaurant Chains
He built a fast food empire focused on uniformity, simplicity, and value.


AFL-CIO merger


1956

Malcom McLean, Containerized Shipping
He lowered the cost and increased the efficiency of shipping cargo.

1957

The Civil Rights Act

NASA created

1959

Ruth Handler, Marketing Toys
Her Mattel Company created Barbie and ran the first toy ads aimed at kids.

1961

Jean Nidetch, Weight Loss Therapy
She created the leading weight loss program in the US.


Joseph Wilson, Photocopying
He saw the potential of xerography and brought copies to the masses.

1963

President Kennedy assassinated.

1968

Joan Ganz Cooney, Children's Television
She developed the first television program to educate and entertain kids.

1970

Nolan Bushnell, Video Gaming
He invented the first video game, Pong, and founded Atari.

1971

Frederick W. Smith, Overnight Delivery
He developed Fed Ex, express delivery for the information age.

1972

Herbert Boyer, Biotechnology
He established biotechnology through the cloning of DNA.

1973

Gary Kildall, PC Software
He wrote the first software for floppy disk reading and writing.

1976

Raymond Kurzweil, Optical Character Recognition
He developed computer systems that recognize speech and text.

1977

Raymond Damadian, MRI Scanner
He developed the first body scanner using nuclear magnetic resonance.

1980

Ted Turner, 24-hour News
He founded CNN, televising non-stop news coverage around the globe.

1984

Russell Simmons, Cross-Marketing Culture
He created Def Jam, the most successful black-owned music company in the country.

1992

Donna Dubinsky, Personal Digital Assistants
She made information portable by bringing the PalmPilot to market.

1995

Pierre Omidyar, Online Auctions
He created eBay, the first online, person-to-person auction.