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Ernst Alexanderson, Swedish-American engineer.
High frequency alternator for the first time, which transmission of radio waves -
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British engineer Hubert Cecil Booth created motorized vacuum cleaner
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Guglielmo Marconi sent first transatlantic radio signal which became the first real use of radio waves as a source of communication.
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Lie detector or polygraph invented by James Mackenzie.
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George Claude invented neon lights
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Willis Carrier invents the air conditioner
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Dr. Harry Plotz discovered a vaccine for typhoid fever.
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Bottle making machine invented by Michael J. Owens.
First commercially successful, fully automatic bottle-making machine. -
The first state-issued license plates were issued in Massachusetts, beginning in 1903. The very first plate, featuring the number "1," was issued to Frederick Tudor.
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A message from President Theodore Roosevelt traveled around the globe.
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The first silent movie was released and it was called "The Great Train Robbery"
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The Wright brothers did research on propellors, air foils, and wing surfaces. Orville Wright got into the Wright flyer and flew the first air plane for 12 seconds.
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Dynamite is made with whale glycerin.
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The first commercial diode vacuum tube was invented by John Ambrose Fleming.
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Invented by german engineer, Christian Hulsmeyer, using patented an early warning system for shipping.
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NYC Mayor George McCellan introduces new rapid transit system: The Subway.
More than 100,000 people paid a nickel to take their first trip under Manhattan. -
Einstein determined that space and time are not absolutes; rather, they are relative to the position of the observer.
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Three Contributions to the Theory of Sex, was written by Sigmund Freud which advanced his theory of sexuality, in particular its relation to childhood.
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Invented by Hiram Maxim, he applied the law of conservation of energy to turn the sound into heat in his invention.
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Will Keith Kellogg founder of Kellogg's. After disagreeing over toasted wheat flakes, Kellogg decided to start his own business. He left his brothers company and came up with Corn Flakes.
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The British launched the battleship "Dreadnought". It was the first new class of warship, one that was equipped.
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The very first piloted helicopter was invented by Paul Cornu, but wasn't successful.
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First machine powered by electricity was the Thor,
Created by Alva J. Fisher and sold by the Hurley Machine Company in Chicago, IL. -
Three year-old Pu Yi became Emperor of China.
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Was named the most influential car of the 20th century.
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Leo Baekeland invented the first synthetic plastic, AKA Bakelite. Revolutionized the manufacture of everything from buttons to car parts.
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Started when reports of unexplained dental disorder surfaced in Naples, Italy and Colorado. Frederick McKay began experimenting on Colorado schoolchildren.
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Appears every 75-76 years.
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Ernst Rutherford discovered structure of an atom.
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This machine was produced commercially by The Universal Stenotype Company, owned by Ward Stone Ireland
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Norwegian explorer Roald Amundsen and his team became the first people to reach the South Pole.
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Parachutes were invented for war related
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The Trademark "Oreo" was introduced
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Titanic hits Iceberg, losing atleast 1,517 even more lives lost that day,
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Archaeologist Charles Dawson announce the discovery of two skulls that belong to a primitive hominid and ancestor of man.
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The assembly line took care of all the major components of the Model T, they were being assembled using this technique.
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Los Angeles Aqueduct opened, a 235-mile water delivery system from the Owens Valley River
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Chemist Frederick Soddy proposes the term 'isotope' for atoms with identical chemistry but different mass.
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Without Robert Goddard there would not be a NASA. He created the liquid-fuel rocket.
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The first successful blood transfusion is done in a hospital in Brussels, Belgium
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The first traffic light was put on the corner of Euclid Avenue and East 105th Street in Cleveland, Ohio.
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Panama Canal was officially opened by the passing of the SS Ancon. It took 34 years for the Canal to be opend. Over 80,000 took part in the construction.
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Germans use poison gas as a weapon. German forces shock Allied soldiers along the western front.
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Sonar was first used to detect submarines.
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Piggly Wiggly was the first true self-service store in Memphis, TN.
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Arthur Dempster builds the "Mass Spectrometer" for analyzing mineral isotopes.
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The first true hair dryer came on the market, but it was extremely large and heavy, and frequently overheated.
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Invented in 1920 by its American Designer, General John T. Thompson. Became famous during the prohibition era, gun used by gangsters.
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The Joseph Horne department store in Pittsburgh advertises ready-made radio receivers