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December 31, 1801

December 31, 1801

in

The celebrated Carl Friedrich Gauss, at just twenty-four years old, provided astronomers with the means to recover the asteroid Ceres, developing a new method for determining the orbit of a generic celestial body based on just three observations. The method was based on the use

December 7, 1801

December 7, 1801

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Von Zach succeeded for the first time in observing Ceres independently of its discoverer, the Italian monk Giuseppe Piazzi, and did so based on Piazzi’s own publication and the orbital predictions made by 24-year-old Carl Friedrich Gauss. By 1807, Pallas, Juno, and Vesta had also

July 1801

July 1801

in

After announcing the possible discovery of a new planetoid, Ceres, the Italian monk Giuseppe Piazzi did not publish any further experimental measurements, partly because Ceres was hidden from the Sun for a couple of months. Then, in July, he published further data confirming the initial

March 1801

March 1801

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In the (perennial) Franco-British war, Russia is now almost in effect allied with France. This is part of the broader global “Great Game,” which began in the Victorian era, between Great Britain (which sought maritime dominance) and Russia (which sought land dominance) for hegemony in

1801

1801

in

Mexico City Mining School. Manuel Del Rio, a Spanish-born mineralogist, identified vanadium in a previously unknown mineral he called panchromium. A couple of years later, the Frenchman Alexander von Humboldt declared it to be nothing more than simple chromium. Manuel Del Rio bowed to the

1801

1801

in

Thomas Young demonstrates the wave nature of light. The corpuscular theory is (temporarily) set aside.

1801

1801

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Thomas Young passes light through two slits and discovers that the result is interference, consistent with a wave nature of light. The corpuscular theory is (temporarily) set aside. The wave nature of light will later be confirmed by Maxwell in 1864, and it will be

December 24, 1800

December 24, 1800

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Wollaston and Tennant, sons of two Anglican ministers, medical graduates and passionate about natural philosophy, purchased 170 kg of platinum from the Americas. Wollaston dissolved the material in white spirit and then reacted it with ammonium salts. After several further steps, they obtained several pure

June 14, 1800

June 14, 1800

in

Battle of Marengo. Napoleon defeats the Austrian army and reestablishes French rule over Italy, reviving the Cisalpine and Ligurian Republics. 28,000 French troops capture 8,000 of the 40,000 Austrians and kill or wound 6,500.

June 1, 1800

June 1, 1800

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Fort Bard, Aosta Valley, Italy. Final assault on the fort led by General Chabran, commander of the rear guard. General Andreossi, commander of the artillery, placed a 12-mm gun in the presbytery of the parish church, next to the bell tower, and from there, protected

May 25, 1800

May 25, 1800

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Fort Bard, Aosta Valley, Italy. Napoleon inspects the new path that bypasses the fort and reaches Donnas in two and a half hours’ march, finding it impossible to advance artillery. During the night, the commander of the army’s artillery, General Marmont, orders the wagon wheels,

May 20, 1800

May 20, 1800

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Aosta Valley, Italy. The army commander writes to Napoleon: “It is impossible to advance the artillery until we have captured Bard Castle… the infantry and cavalry can bypass the castle by taking a mule track from Arnaz to Perlo… the route around the castle is

19th century

19th century

in

The game of billiards, born in Northern Europe in the 15th century, saw cues improved with leather coverings and chalk-covered tips, allowing for greater control over the ball’s spin. This innovation was introduced to America by English sailors, which is why it’s still called “English

19th century

19th century

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Nineteenth-century scientists discovered that the intermediate distillate of petroleum could be useful as fuel for oil lamps, where previously whale blubber, for example, had been used. However, they dismissed the more volatile fraction of the distillation process, what we call gasoline, as completely useless, discarded

19th century

19th century

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In Europe, people began to eat tomatoes (previously considered poisonous) and potatoes (previously considered the fruit of witches because they grew underground – it was feared they would spread the plague).

1800

1800

in

Thomas Jefferson won the presidency as leader of the Democratic-Republican Party (later simply the Democratic Party), which at the time was based on the concepts of unlimited individual liberty, states’ rights, decentralization, hostility to the domination of capital, defense of small business, and defense of

1800

1800

in

Thomas Young understands thats=EAnd (s it’s the effort,And the relative strain, E (Young’s modulus) has E variable with the material

1800

1800

in

The average life expectancy in Europe and the United States is 40 years. By 2000, it will be 80 years.

1800

1800

in

Average life expectancy worldwide is about 28.5 years. In 2001, it will be 66.6 years.

1800 – 1910

1800 – 1910

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The Great Game, or the complex of operations (military, political, economic, diplomatic, and espionage) managed by London across the entire Central Asian landscape. It involved Britain’s obsession with losing its hegemony over the Mediterranean should the Russians gain access to the Bosphorus, coupled with fears

1800

1800

in

Joachim Murat married Maria Carolina Bonaparte, Napoleon’s sister. As a member of the family, he received the title of Prince Imperial. He became King of Naples in 1808.

1800

1800

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China. The British East India Company had been flooding China with opium for years as payment for Chinese goods, opium that was smoked by the Chinese, often mixed with tobacco. In 1800, the Qing Emperor took action and banned the import and production of opium,

1800

1800

in

England. James Watt’s powerful patent has finally expired, and Richard Trevithick is able to capitalize on it by building and patenting a double-acting high-pressure engine. The following year, the first vehicles are built, amid widespread opposition from the public and local authorities, as the steam

1800

1800

in

Life expectancy (world average) at birth is 28 years. No region in the world has a life expectancy above 35 years.

1800 – 1840

1800 – 1840

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Engels Pause. This is a pause in the continuous Malthusian cycles of increasing income and population, followed by crises and drastic reductions in both. After the Engels Pause, the Malthusian cycles end, and a long, multi-century period of continuous global growth in income and population

December 31, 1799

December 31, 1799

in

The charter of the Dutch East India Company (Vereenigde Oost-Indische Compagnie – VOC) was not renewed. By 1783, the coin-backed accounts at the Bank of Amsterdam had collapsed from 17 million guilders in 1780 to just 300,000 guilders in 1783. This marked the end of

July 19, 1799

July 19, 1799

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The Rosetta Stone is rediscovered. During the Egyptian campaign, a group of Napoleonic soldiers discovered a black basalt stele bearing ancient inscriptions near the town of Rosetta. According to the Greek text, the stele was engraved in the second century BC. The “Rosetta Stone” was

1799

1799

in

Lazzaro Spallanzani, naturalist and Jesuit, discoverer, among other things, of the regeneration of the salamander’s tail, dies

1799

1799

in

Great Britain. Annual revenues increased from 23 million pounds to 35 million pounds today, by far the highest in Europe.

1799

1799

in

Carl Friedrich Gauss brings to full fruition the acceptance of non-Euclidean geometries, where the postulate of parallel lines does not hold.

1799 – 1825

1799 – 1825

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Pierre Simon de Laplace publishes the five-volume treatise “Traite de mecanique celeste.” It is essentially a modern version of Newton’s Principia Mathematica.

May 1799

May 1799

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Southern Italy. Cardinal Fabrizio Dionigi Ruffo, Duke of Baranello and Bagnara, leading a group of peasant insurgents, marches on Naples and overthrows Napoleon’s Parthenopean Republic. This was made possible by the Austro-Russian military intervention in Northern Italy to defeat the French, and by Napoleon’s absence,

February 11, 1799

February 11, 1799

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Lazzaro Spallanzani (Scandiano, January 12, 1729 – Pavia, February 11, 1799) died in Pavia. He was an Italian Jesuit and biologist, considered the “scientific father” of artificial insemination. He is best remembered for having disproved the theory of spontaneous generation with an experiment that was

1798

1798

in

Irish rebellion, encouraged by France; another French landing attempt in Ireland is also repelled by the English

August 1, 1798

August 1, 1798

in

The French fleet is completely destroyed by the English fleet of Admiral Nelson in Aboukir Bay, off Alexandria, Egypt; in total, 1,700 French and 700 English victims; hundreds of sailors perish in the gigantic conflagration of the French flagship’s Santa Barbara gun alone (heard 50

1798

1798

in

The French mathematician Jean-Baptiste Fourier, following Napoleon’s expedition to Egypt, discovered the equations for heat conduction.

1798

1798

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The Reverend Thomas Robert Malthus published “An Essay on the Principle of Population,” in which he discovered and explained an oscillation (he called it “vibration”) between periods of high income and a small population, and, conversely, periods of low income and a large population. These

1798

1798

in

Gauss and soon after Legendre, discovered an experimental connection between prime numbers and logarithms: the prime numbers between 1 and N are roughly N/logN

1798

1798

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Napoleon wanted Fourier, an enthusiastic supporter of the Revolution, among the legion of scientists and artists accompanying the troops invading Egypt. During the journey, Napoleon dictated each morning the topic on which his intellectuals would entertain him that evening.

1797

1797

in

England. Thomas Paine launches the idea of levying an inheritance tax on landowners to finance a basic income for the less wealthy.

May 12, 1797

May 12, 1797

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Venice. Bonaparte peremptorily ordered the government to dissolve itself and hand over power to a democratic junta, protected by French arms. The Doge urged them to accept his will. At the last meeting of the Great Council, it hastily voted for its own extinction. 4,000

April 17, 1797

April 17, 1797

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In Verona, the population attacks the French garrison and massacres the wounded hospitalized. These are the so-called Veronese Easters. The Last Letters of Jacopo Ortis (by Ugo Foscolo) remain a powerful moral and literary testimony to Italian hatred of France and Napoleon.

1797

1797

in

Scientist-adventurer Count von Rumford discovers the thermohaline circulation, the planet-wide ocean current that winds from the North Atlantic to the center of the Pacific (it takes 1,500 years each way).

1797

1797

in

young student from the American South, Alia Whitney, invents the automatic cotton gin, which will change the face of the American South. It will allow a single worker to gin up to 500 pounds of cotton a day, compared to a previous limit of 0.5

1797

1797

in

Caspar Wessel, independently of Jean Robert Argand, John Warren and Carl Fiedrich Gauss, invented the complex plane to represent complex numbers.

1797

1797

in

Friedrich Gauss provided the first proof of the Fundamental Theorem of Algebra during his doctoral dissertation; a towering figure in mathematics, he left an indelible mark on every field to which he applied himself.

February 12, 1797

February 12, 1797

in

Modena. First public parade of the Italian flag in Italy, with Modena priest Don Antonio Rovatti leading the procession, Don Rovatti having designed the flag. It had been proclaimed the official Italian flag a few days earlier in Reggio Emilia.