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October 1918

October 1918

in

Enrico Fermi left Rome for Pisa, where he was admitted to the prestigious Scuola Normale Superiore. At the time, only about ten applications were accepted each year. Fermi’s essay for the entrance exam is still legendary today: “The Distinctive Characteristics of Sounds and Their Causes.”

1918 – 1933

1918 – 1933

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Great Britain. The country has accumulated a huge war debt. The reparations imposed on Germany (which will indirectly lead to World War II) will not be enough, and the country is heading for a gradual economic decline averaging 0.2% per year, and a rise in

December 18, 1916

December 18, 1916

in

The Battle of Verdun ends. After 10 months and massive losses, the Battle of Verdun, the longest battle of the Great War, ended. In February 1916, the Germans had attacked Verdun, a city 137 miles east of Paris. The forts of Hardaumont and Douaumont had

1916

1916

in

Epidemic, in Europe and America, of Encephalitis Lethargica, which causes victims to fall into a long drowsy state from which they often do not awaken

1916

1916

in

The concepts of stimulated emission (a photon with the correct energy can cause an electron to move up in orbit or down and emit a photon) and spontaneous emission (the electron spontaneously moves down in orbit and emits a photon) mature; the first phenomenon will

1916

1916

in

In the USA, Wheeler managed to elect “dry” governors, that is, prohibitionists, in most states.

1914

1914

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As Europe plunges into the Great War, anthropologist Bronislaw Malinowsky works in Papua and, speaking with a local cannibal about the war in Europe, the cannibal asks him, puzzled, how Europeans could consume such enormous quantities of meat. When Malinowsky explains that Europeans do not

June 28, 1914

June 28, 1914

in

Serbian student Gavrilo Princip commits the assassination of Prince Franz Ferdinand in Sarajevo; the prince was visiting the Bosnian capital, a province of the Austro-Hungarian Empire, despite warnings of possible attacks; the prince escapes an initial assassination attempt with a hand grenade, then on the

1914

1914

in

James Chadwick discovered that the energy of beta radiation varied from one measurement to the next. To solve the problem, Wolfgang Pauli soon suggested that the energy was shared between two particles: one visible (the electron) and the other invisible (later discovered to be the

1914

1914

in

Marie and her daughter Irene begin working together for a radiological (X-ray) service for the French army.

1914 – 1917

1914 – 1917

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Srinivasa Ramanujan, an Indian mathematician, spent three intense years collaborating with Professor Godfrey H. Hardy at Trinity College, Cambridge. Ramanujan, alone, independently rediscovered countless mathematical theorems, retracing their history, unfortunately wasting considerable time rediscovering their foundations. In a long letter to Professor Godfrey H. Hardy,

1914

1914

in

Ernst Mahler and James Kimberly of the small American company Kimberly Clark, during a trip to Europe, discovered a material five times more absorbent than cotton and even less expensive to produce. They brought it to the United States, patented it, and began large-scale production.

December 23, 1913

December 23, 1913

in

The Federal Reserve Bank was established by President Woodrow Wilson, approved by the United States Congress, to administer monetary policy and stem periodic panics in the financial markets.

1913

1913

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In the United States, the Federal Reserve was created as a supervisory body for banks and credit institutions in order to restore investor confidence, which had been shaken by decades (from 1970 to 1910) which had seen the failure of thousands of banks.

1913

1913

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According to Niall Ferguson, we are at the height of the West’s direct domination of the world: the 11 Western empires control 50% of the earth’s land mass, 57% of the population, and a full 80% of the GDP. The British control 25% of the

1912

1912

in

After a year of revolts, Pu Yi (the last Chinese emperor) abdicates. Yuan Shikai is elected president.

1912

1912

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Littlewood discovers that, contrary to predictions, Gauss’s hypothesis is a mirage: if you continue counting, sooner or later you reach a point where Gauss’s integral logarithm goes from overestimating to underestimating. In fact, after a century, no one has yet reached such large numbers.

1912

1912

in

Benito Mussolini heads the revolutionary branch of the socialists and takes control of the party (PSI)

April 18, 1912

April 18, 1912

in

Modena. The new electric tram replaces the horse-drawn one. Not without heated controversy, which was abolished in a referendum, which won the YES vote. Complaints included “What if you’re driving on the street?”, “What if you’re driving on a road with Armagnac?”, and “Overhead power

February 1912

February 1912

in

Thomas Alva Edison decides that his invention, the Type A alkaline battery, is mature enough for industrial use. He invests $1.2 million in this manufacturing project. The following January, he begins supplying the Ford Motor Company with 450,000 Type A batteries each year.

1912

1912

in

Robert Goddard, the future father of astronautics, graduated in Physics from Clark University.

1912

1912

in

The workplace fatality rate in the United States is 60 per 100,000 workers per year (0.060%/year). It will progressively decline to less than 5 from 2010 onwards (0.005%/year).

1912

1912

in

Victor Hess measures radioactivity during a hot air balloon flight at 5,300 meters: the radioactivity is triple that of the ground level. He therefore concludes that at least part of the radiation is of extraterrestrial origin.

1912

1912

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Max von Laue experiments with the diffraction of X-rays by crystals, thus proving their wave nature.

1911

1911

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Lane, with interference experiments, demonstrates that X-rays are electromagnetic radiation

1911

1911

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Scottish physicist Charles C. T. R. Wilson became the first to observe the motion of individual alpha or beta particles in a cloud chamber he had specially invented. Fifteen years earlier, Wilson had taken meteorological measurements for two weeks from the summit of Mount Nevis,

1911

1911

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Former President Teddy Roosevelt, a big-game hunting enthusiast and zoologist, publishes the essay: “Revealing and Concealing Coloration in Birds and Mammals”

1911

1911

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William D. Coolidge at General Electric Research Labs develops a thin tungsten filament still used in incandescent lamps.

1911

1911

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Frank C. Mars began making candy from his home in Tacoma, Washington; he later rented his first candy factory with 125 employees; by the end of the century, Mars’s chocolate business alone had reached $10 billion.

1911

1911

in

Elmer Sperry builds a mechanism for operating a ship’s rudder, incorporating a PID controller with automatic gain adjustment

1911

1911

in

The New York Times publishes the news of Percival Lowell’s latest observation of Mars: “Martians build two immense canals in two years” on a full page; subhead: “Incredible feat by our planetary neighbors.”

1911

1911

in

Italy invades Libya and the Dodecanese in the southern Aegean; the government is that of the liberal Giovanni Giolitti.

1911

1911

in

The U.S. Antitrust Commission broke up the Rockefeller family’s Standard Oil into 34 companies, including Continental Oil (renamed Conoco), Standard of Indiana (renamed Amoco), Standard of California (renamed Chevron), Standard of New Jersey (renamed Esso, and then Exxon), and Standard of New York (renamed Mobil).

1910

1910

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Just 10 years after entering the international machine-made textile business, Japan crushed its competition. By 1910, the Japanese were Asia’s only exporter of thread, yarn, and fabric, and their exports surpassed those of Germany, France, and Italy.

1910

1910

in

England. The British crown passes to the House of Windsor with the sovereigns: George V, Edward VIII, George VI, Elizabeth II

1910

1910

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Franklin Delano Roosevelt, cousin of Theodore Roosevelt, a man of enormous charm, genuine interest in people, energy bordering on frenzy, a personal fortune and a celebrated name, runs for the New York State Senate; FDR, unlike Theodore, enters politics as a Democrat.

1910

1910

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Indonesia. Only in 1910 did the Dutch, who had arrived centuries earlier, manage to gain control of the entire archipelago of thousands of islands.

1910

1910

in

First extraction of titanium from its ore. The ore was discovered in 1791, but it was not mined in commercial quantities until the 1950s.

1910 – 1930

1910 – 1930

in

In just twenty years, Shanghai’s population jumped from one million to three million, including over one hundred thousand foreigners. Governor Zhang Zhidong expressed the city’s spirit with the words: “Learning from the West, preserving the spirit of China,” a motto that would become the motto

1910

1910

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Young Gyorgy Hevesy arrives in England to research radioactivity, specifically Radium-D, which later turns out to be radioactive lead. He contemplates injecting it into living beings to track their metabolism. One day, to prove to the cook that the meatballs were leftover meat from days

1909

1909

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Carl Bosch perfected a process invented by Fritz Haber, which used methane and steam to extract nitrogen from the air and converted it into fertilizer on an industrial scale, effectively replacing huge quantities of bird droppings, which were previously used to provide nitrogen to poor

July 25, 1909

July 25, 1909

in

The French aviator Blériot flies his monoplane across the English Channel from Calais to Dover; Blériot uses the modified Model 11: it is the precursor of modern airplanes: it is a monoplane, with steerable wing surfaces, a propeller at the front, and directional controls at

June 26, 1909

June 26, 1909

in

After nine years of research and development, Thomas Alva Edison announced that the rechargeable battery was a reality. He showed off his 1.2V E-cells: thin, light, and shiny. Edison had brought about a revolution in the electrochemical sector. It was composed of 120 nickel plates,

1909

1909

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German scientist Theodor Wulf measured ionizing radiation at the base and top of the Eiffel Tower and discovered that at the top, it was only slightly less than half that on the ground. That is, much more than he would expect if it were emitted

1908

1908

in

celestial body of considerable size falls in Siberia at Tunguska and explodes before hitting the ground, causing an explosion of 120 Mton.

September 9, 1908

September 9, 1908

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Fort Meyer, near Washington, D.C. Orville Wright takes a flight in his airplane for over an hour. On a subsequent flight, with a passenger in addition to the pilot, Orville Wright, the plane crashes, killing the passenger and injuring Orville.

August 30, 1908

August 30, 1908

in

Czernowitz, Austria-Hungary. The recognition of Yiddish as the national language of the Jews is consecrated. Seventy delegates from many countries participate. Yiddish arose from a fusion of Germanic, Hebrew, and Slavic elements and was spoken by 13 million Jews before 1939. Yiddish culture is at