-
- Decade opens with Peace in Europe
- Benjamin Franklin begins Poor Richard's Almanack in Philadelphia, Pennsylvania
- John Kay patents flying shuttle, a major landmark in textile mass production, leading to textile mills in England
- Voltaire writes Lettres sur les Anglais championing democratic government
- David Hume creates empiricist philosophy in his Treatise on Human Nature
- War of Jenkins' Ear begins when England declares war on Spain
-
- War of the Austrian Succession breaks out among major European powers
- War of Jenkins' Ear spreads to Florida and Georgia
- Johann Sebastian Bach issues second volume of The Well-Tempered Clavier
- The Treaty of Aix-la-Chapelle ends War of the Austrian Succession. Major powers again at peace in Europe
- David Hartley writes Observations on Man, arguing that one's moral sense is derived from an association of ideas
-
- Interest on Britain's national debt falls from 10% to 3%
- Denis Diderot and Jean d'Alembert begin publishing Encyclopedia
- Ben Franklin flies kite with key proving that lightning is like an electric spark
- Samuel Johnson publishes Dictionary of the English Language.
- Economist Francois Quesnay founds the Physiocrats, who advocate laissez-faire economic policies
- Claude-Adrien Helvetius publishes De'l'esprit arguing that self-interest is the primary motive of human conduct
-
- Seven Years' War ends with the Treaty of Paris and the Treaty of Hubertusberg
- J. J. Rousseau published The Social Contract arguing that government must rest on the consent of the governed
- Joseph Priestley issues an Essay on First Principles of Government anticipating Jeremy Bentham's ideal of "greatest happiness for the greatest number"
- Boycott of imports begins in Boston to oppose tax on lead, paint, paper and tea
-
- Boston Tea Party protests tea tax in America after its repeal in England
- First Continental Congress meets in Philadelphia and writes a Declaration of Rights and Grievances
- Revolutionary War begins in Concord, Massachusetts
- Continental Congress on July 4, 1776 adopts the Declaration of Independence
- Adam Smith writes Inquiry Into the Nature and Causes of the Wealth of Nations
-
- Revolutionary troops defeat British at Yorktown, Virginia to gain independence
- Immanuel Kant publishes Critique of Pure Reason
- Britain, USA, France and Spain sign the Treaty of Versailles recognizing the independence of the United States of America
- First paddle wheel steamboat sails on the Saone River, France
- U.S. Constitution signed in Philadelphia, Pennsylvania and ratified within a year
- French Revolution begins in 1789 with the storming of the Bastille Prison
-
- Dollar becomes the currency unit of USA
- Eli Whitney invents the cotton gin
- Thomas Paine writes The Age of Reason
- Napoleonic Wars rage throughout Europe following the end of the French Revolution
- British Government introduces income tax
- Thomas Malthus completes Essay on the Principle of Population
-
- Napoleonic Code, a system of laws, is introduced in France
- USA buys Louisiana Territory from France
- Jean-Baptiste Say writes Treatise on Political Economy
- Lewis and Clark expedition explores and maps western continental USA
- Ludwig von Beethoven publishes 5th and 6th Symphonies
-
- Spain's South American colonies struggle to gain independence
- Walter Scott publishes Waverley beginning popularity of historical romance novel
- British invade USA and burn Washington DC in War of 1812. Treaty of Ghent ends war
- Wellington defeats Napoleon at Waterloo. Napoleonic Wars end with the Congress of Vienna deciding the future map of Europe
- David Ricardo publishes Principles of Political Economy and Taxation
-
- Thomas Robert Malthus publishes Principles of Political Economy
- Michael Faraday develops primitive electric motor
- The Monroe Doctrine expresses USA's opposition to extension of European influence in the Western hemisphere
- Erie Canal is opened for shipping
- Webster publishes American Dictionary of the English Language
- Western Australia colonized by British
- The Workingman's Party formed in New York
-
- The Baltimore and Ohio becomes first railroad in USA
- Louis Jacques Daguerre invents the first practical photographic process
- Cyrus McCormick patents a mechanical reaper
- Samuel Colt patents his revolver
- Samuel Morse develops telegraph and Morse Code for sending/receiving messages
- Isaac Pitman develops a system of shorthand writing
- Victoria becomes Queen of England
-
- John Stuart Mill publishes Principles of Political Economy
- Potato crop failure in Europe causes an estimated 2.5 million to starve
- Gold is discovered in California
- Factory Act in Britain limits the working day of women and children to 10 hours
- Series of republican revolutions in Europe end in failure and repression
- Karl Marx and Friedrich Engels publish Communist Manifesto
- John Deere invents plow with a steel mold-board
- Amelia Bloomer introduces trousers for women called Bloomers
-
- Old-Age insurance introduced in France
- Harriet Beecher Stowe publishes Uncle Tom's Cabin
- Elisha Otis demonstrates safety elevator at New York Fair of 1854
- Florence Nightingale pioneers modern nursing during the Crimean War
- Henry Bessemer revolutionizes steel industry with new converter process
- Charles Darwin publishes On the Origin of the Species by means of Natural Selection
- First oil well in USA is drilled in Titusville, Pennsylvania
-
- Civil War begins at Fort Sumter, South Carolina
- Issue of Greenbacks to help finance the Civil War marks the beginning of modern currency in USA
- Etienne Lenoir invents internal combustion engine in France
- National Banking Act establishes a system of federally-chartered banks in the USA
- Civil War ends when South surrenders at Appomattox Courthouse, Virginia
- Karl Marx begins writing Das Kapital
- Alfred Nobel invents dynamite
- Union Pacific and Central Pacific railroads meet in Utah
-
- The Standard Oil Company is founded by John D. Rockefeller
- City of Chicago destroyed by fire
- Germany adopts the mark as its currency
- Financial panic in Europe spreads to USA, causing withdrawal of foreign capital
- Alexander Graham Bell invents telephone
- Thomas Alva Edison invents the phonograph and electric light bulb
-
- American Federation of Trades and Labor is founded
- William LeBaron Jenney builds first skyscraper in Chicago, Illinois
- France presents the Statue of Liberty to the USA
- Louis Pasteur successfully uses vaccination against rabies
- Heinrich Hertz identifies radio waves
- Gottlieb Daimler builds first automobile
- Eiffel Tower is built in Paris for World Exposition of 1889
-
- Labor unrest erupts in USA when workers strike the Carnegie Steel Company
- Alfred Marshall publishes Principles of Economics
- The Sierra Club is founded by John Muir
- Sigmund Freud establishes psychoanalysis with publishing of Studien uber Hysterie
- Wilhelm Conrad Rontgen discovers X-rays
- U.S. Congress enacts Income Tax Act, but Supreme Court declares it unconstitutional
- Henry Ford produces his first automobile
-
- Guglielmo Marconi transmits messages across Atlantic with wireless telegraph
- Orville and Wilbur Wright make first heavier-than-air machine flight

- Albert Einstein publishes Theory of Relativity
- Earthquake and fire destroy much of San Francisco
- Financial panic in 1907 begins with the fall of the Stock Market and causes many banks to close
- Gold Standard Act enacted in USA
- Payne-Aldrich Tariff Act raises tariffs on imports into USA
-
- Marie Curie discovers radium
- Federal Reserve Act creates central bank for the USA
- Assassination of Austria's Archduke Francis Ferdinand brings about World War I
- Gilbert Lewis develops electron theory of valency explaining structure of atoms
- Revolution overthrows monarchy in Russia
- Paris Peace Conference redraws map of Europe after World War I and establishes the League of Nations
-
- Women in USA receive the right to vote
- Prohibition begins in the USA as sale of all alcoholic beverages becomes illegal
- Germany suffers financial collapse as hyperinflation destroys value of mark
- U.S. Steel Company abolishes twelve hour work day and seven day work week
- Alexander Fleming discovers penicillin
- Charles Lindbergh makes first solo airplane flight across the Atlantic
- Collapse of Stock Market ushers in decade of economic hardship
-
- Worldwide Depression worsens, fostering the rise of political extremists
- Hawley-Smoot Tariff Bill sets highest duties in US history, hurting world trade
- James Chadwick discovers the neutron, Carl Anderson discovers the positron
- U.S. repeals Prohibition Amendment
- President Franklin Roosevelt begins New Deal government spending programs
- Adolf Hitler becomes Chancellor of Germany
- Wallace Carothers produces Polymer 66, or nylon
- Germany invades Poland starting World War II
-
- Japanese bomb Pearl Harbor and USA enters war against Japan, Germany and Italy
- By 1944 war rages throughout the world
- "D Day" offensive by USA, Britain and allies begins end of war in Europe
- Germany surrenders in April 1945
- USA drops atomic bombs on Hiroshima and Nagasaki. Japanese surrender
- The United Nations is formed
- John Bardeen, Walter Brattain, and William Shockley invent the transistor
- Communist forces seize power in China
-
- Cold War between USA and Russia develops as Russia builds an atomic bomb
- Korean War breaks out as North Korea invades south Korea. War ends in 1953
- Electricity produced by atomic power in USA
- James Watson and Francis H. C. Crick describe the "double helix" structure of DNA
- UNIVAC is first mass produced computer
- Jonas Salk develops anti-polio vaccine
- Russia launches Sputnik I, the Earth's first spacecraft
- U.S. Supreme Court orders desegregation of public schools
-
- Russia launches first man into space
- President Kennedy establishes Peace Corps to assist underdeveloped countries
- Rachel Carson writes Silent Spring marking concern with environmental pollution
- Martin Luther King leads massive Civil Rights demonstration in Washington, D.C.
- President Kennedy is assassinated in Dallas, Texas
- Vietnam War intensifies as USA begins massive military buildup. Anti-war movement begins on college campuses
- Israel defeats Arab forces in Six-Day War
- USA lands astronauts on the moon
-
- Equal Rights Amendment to US Constitution passes Congress but fails to be ratified by the necessary number of states
- President Nixon resigns in the wake of the Watergate scandal
- Following Israeli-Arab War in 1973, oil-producing countries double oil prices causing energy crisis and economic hardship
- Vietnam War ends as South Vietnam surrenders and USA evacuates troops
- Egypt and Israel sign historic peace accord
-
- Personal computers change the way businesses do business
- Environmental issues become a major concern for most Americans
- AIDS, a disease destroying the human immune system, becomes pandemic
- U.S. sees rise of the largest federal budget deficit in history
- Free market emphasized; deregulation of airlines and S&L's; stock market boom