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1797

1797

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Napoleon established the Cispadane Republic in Italy (Modena, Reggio, Ferrara) and then the Cisalpine Republic (Lombardy), which later absorbed the Cispadane Republic. The Cispadane Republic adopted the tricolor as its flag, which had been adopted the previous year by a military confederation of Emilian cities.

1797

1797

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Great Britain. Annual revenue currently stands at 23 million pounds, the highest in Europe. But taxes will rise further in a couple of years.

January 7, 1797

January 7, 1797

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In the Ducal Archives of Reggio Emilia, the congress decided to establish a government; the chosen flag was a horizontal tricolor, with red, white, and green stripes. At the center, an emblem composed of a quiver, rising on war trophies, with four arrows inside, symbolizing

October 18, 1796

October 18, 1796

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Modena. At the Congress in Via Farini (then called Rua Grande, since Farini had not yet led the Piedmontese army!), it was decided to unite Modena with the Cisalpine Republic (which would later become the Italian Republic in 1802). The Modena area became the Department

October 16, 1796

October 16, 1796

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congress was held in Modena with representatives of the provinces of Modena and Reggio Emilia, and the former papal legations of Ferrara, Bologna, and Romagna, uniting the four cities in what became known as the Cispadane Confederation. The green, white, and red tricolor flag with

October 15, 1796

October 15, 1796

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Modena. Napoleon Bonaparte returned to Modena, welcomed triumphantly. A few days later, Modena’s union with the Cisalpine Republic was decided (which would later become the Italian Republic in 1802).

October 11, 1796

October 11, 1796

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Gauss wrote in his notebook: “Vicemus GEGAN.” It is one of many cryptic phrases never understood. The failure to publish his discoveries has been blamed by some for delaying the development of mathematics by half a century.

1796

1796

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Edward Jenner discovers vaccination. During the 19th and 20th centuries, it will save the lives of approximately 700 million people.

1796

1796

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Napoleon Bonaparte’s first Italian campaign In Emilia (Reggio, Modena, Bologna, Ferrara) he established the Cispadane Republic and was the first to adopt the tricolour

1795

1795

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Nicolas-Jacques Conte developed some techniques to control the proportion between clay and graphite in the manufacture of pencils; the classification consists of a scale from 1 (hard) to 4 (soft); subsequently the English developed a scale that goes from B (black, i.e. soft) to H

1795

1795

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France. Power passes from the Committee of Public Safety to the Directory (1795), and then to the First Consul (November 1799), then to the Emperor (December 1804).

November 13 – 14, 1794

November 13 – 14, 1794

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Bologna. Luigi Zamboni organizes an uprising among the people of Bologna against the absolutist domination of the Church, enlisting students from the University of Bologna to join the cause, including Giovanni Battista De Rolandis, Antonio Succi, Camillo Tomesani, Antonio Forni, Angelo Sassoli, Tomaso Bambozzi, Pietro

1794

1794

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English chemist Smithson Tennant burns a diamond to nothing, thus proving that there is no exotic element but only carbon.

1794

1794

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Sweden. Yttrium (Y) is discovered. Swedish science contributes 19 elements to the periodic table, more than a fifth of the total, including manganese, molybdenum, and a large portion of the rare earth elements (yttrium, erbium, terbium, ytterbium, scandium, thulium, etc.).

1794

1794

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Antoine-Laurent Lavoiser is arrested as a tax collector. Faithful to his studies, he asks to complete his final work. The judge’s response is famous: “The republic has no need of scientists!” The father of modern chemistry is guillotined, and his body ends up in a

January 16, 1793

January 16, 1793

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Lazare Carnot was among those in the National Convention who declared the fatal vote to guillotine the King of France. Lazare was a friend of Robespierre. Perhaps a deep root of Science is the Revolution: refusing to accept the order of things.

1792

1792

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A bout of dysentery weakens the Prussian forces invading France, thus saving the French Revolution.

September 19, 1792

September 19, 1792

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The unrivaled Prussian army, the most powerful component of the European coalition against the French Revolution, marches from the Rhine to reverse the events of 1789. Verdun and Longwy, border fortresses, quickly surrender. But at Valmy, the rapid and well-aimed fire of the French artillery

April 21, 1792

April 21, 1792

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Brazil: Lieutenant Colonel Francisco de Paula Freire de Andrade (known as Tiradentes) is hanged as part of the so-called Inconfidencia Mineira (Mining Conspiracy) for Brazil’s independence from Portugal. His body is dismembered and sent to Vila Rica, the Minas Gerais captaincy, to be displayed in

1792

1792

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The project by Irish-born architect James Hoban for the White House in Washington is approved.

1792

1792

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Duke Sandwich invents the famous “sandwich” as a way of eating without leaving the gaming table.

1791

1791

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Carl Gauss, just fourteen years old, roughly predicts the frequency with which prime numbers become sparser in the series of natural numbers

May 8, 1790

May 8, 1790

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The French National Constituent Assembly, at Taylorand’s proposal, defines a unified system of weights and measures. The commission includes Lavoiser, Lagrange, and Laplace. The standard length is chosen as the forty-millionth part of the Earth’s meridian: the meter.

1790

1790

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London. In a hospital in a slum area, a doctor discovers strontium, naming it after the mineral it contains, Strontianite, itself named after the Scottish town of Strontian, where it was first discovered.

1789

1789

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Paris. Lavoisier publishes “Elementary Treatise on Chemistry,” in which he divides substances into four categories: the first includes gases (hydrogen, oxygen, and nitrogen), light, and heat; the second includes nonmetallic substances that form acids (carbon, sulfur, phosphorus, and the still-unknown bases muriatic, hydrochloric, fluoric, and

1789

1789

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France. In one century the percentage of men able to read went from 29% to 47% (1780) and in Paris to 90% (1789), for women, it went from 14% to 27% (1780) and in Paris to 80% (1789).

August 26, 1789

August 26, 1789

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The Declaration of the Rights of Man and of the Citizen in France. It uses language and recalls concepts common to those already used and signed a few years earlier in the newly formed (with crucial French support) United States of America.

1789

1789

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England. Jeremy Bentham publishes “An Introduction to the Principles of Morals and Legislation,” which will become the founding charter of the Utilitarian school of thought.

1789

1789

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France. Annual revenues amount to 19 million pounds today: despite the great financial crisis, they are double those of Russia, Prussia, and Austria, but only slightly lower than those of England.

1787

1787

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The American Constitutional Convention proposed abolishing the slave trade throughout the Union but encountered opposition from the Northern states that profited from the business. It was eventually abolished in 1808, and then declared a piracy in 1820. By that time, however, the slave population in

1787

1787

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The Northwest Ordinance opened the territories north of the Ohio River and east of the Mississippi to American settlers. Article 6 stated that there shall be neither slavery nor involuntary servitude in these territories.

1787

1787

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England. The slavery abolitionist movement is born from a meeting of 12 people in a bookshop and printing press. In 1807, they succeed in making the slave trade illegal throughout the British Empire. And in 1838, owning slaves also becomes illegal.

1784

1784

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Louis XVI established a royal commission to scientifically evaluate the theories of the famous and highly popular German physician Franz Anton Mesmer, who claimed that the universe is pervaded by a subtle fluid that unites all bodies and attributed all illnesses to alterations in this

1783

1783

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Paris. Lavoisier repeats Cavendish’s experiments in London on a demonstration scale, using hydrogen and oxygen to create flames and explosions that generate water, thus confirming that water is not an element but a compound. This time, everything is done in a more rigorous and scientific

1783

1783

in

India. William Jones publishes his notes on Sanskrit, an ancient Indian language used in Hindu rituals, which connects it with Ancient Greek, Latin, Gothic, Celtic, Old Persian, German, French, and English. He thus establishes comparative linguistics. For example, in Sanskrit, “mother” is “matar,” in Latin

September 3, 1783

September 3, 1783

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Treaty of Paris: England, France, Spain, and the United States of America end the eight-year conflict between the former and the latter three. The treaty marks the end of the American Revolutionary War and consists, in summary, of: England’s recognition of the independence of the

July 6, 1782

July 6, 1782

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Battle of Negapatam, India. Eleven British warships under Hughes and eleven French ships under De Suffren confront each other. The British lose 310 sailors killed or wounded, and the French 779, but the result is inconclusive. The French had hoped until the last moment for

April 9 – 12, 1782

April 9 – 12, 1782

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Battle of the Saintes (or Battle of Dominica or of the Saintes). Thirty-six English warships under the command of Sir George Rodney faced thirty-three warships under the command of Count François Joseph Paul de Grasse. The English lost 1,259 sailors killed or wounded, the French

March 20, 1782

March 20, 1782

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London. Lord North resigns as British Prime Minister after the defeat at Yorktown, Virginia, against the French and Americans. He is succeeded by Lord Rockingham, who negotiates the surrender to the Americans and the complete withdrawal of British troops and navy from the former thirteen

September 1, 1781

September 1, 1781

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Upon hearing that two French naval forces (one from the Caribbean and one from Newport) were heading for Yorktown, the British war fleet under Rear Admiral Sir Thomas Graves set sail from New York with 19 vessels.

August 14, 1781

August 14, 1781

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De Grasse’s French fleet, with 3,000 soldiers aboard 28 warships, set sail from Haiti for Chesapeake Bay to engage the British fleet off Yorktown. The fleet was “lent” to the American Revolutionary War but was to return to the French West Indies as soon as

August 5, 1781

August 5, 1781

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Dogger Bank, North Sea. In the shallow waters of the gigantic Dogger Bank in the North Sea, the first naval battle between the English and the Dutch in over a century is fought. The Dutch are no longer the powerful naval force they once were,

March 1781

March 1781

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England. William Herschel notices, through his telescope, a bluish dot changing position over time and begins to suspect it. It is Uranus.

August 3, 1780

August 3, 1780

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London. The government launches a plan for a major military expedition to be completed the following year against the Dutch and Spanish possessions in the Far East, particularly the Dutch East Indies and the Philippines. Due to other difficulties the British will face, the plan

June 8, 1780

June 8, 1780

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London Gordon Riots. London experiences the worst urban uprising of the century, leading to a massacre of Catholics in the name of Protestantism. After consultations, the government, supported by the king, decides to use force. The 8th Regiment occupies the city with orders to shoot

1780

1780

in

Sweden. On an island about twenty kilometers from Stockholm, the Ytterby mine opens, becoming the source of seven chemical elements in a list that at the time numbered only seventy! These are ytterbium, terbium, erbium, and yttrium. Then the letters end, and “rbium” sounds wrong,

1780

1780

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Lazare Carnot publishes “Essai sur les machines en general”: this is the first attempt to discuss, in a scientific and theoretical way, the optimal working conditions for the operation of machines of all types.

May 29, 1780

May 29, 1780

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Battle of Waxhaws, South Carolina. The British and Banastre Tarleton’s loyalists continued to attack Abraham Buford’s Americans even after the latter demanded their surrender. It was a massacre: 113 were killed, 150 were seriously wounded beyond recovery, and 53 were captured. “Tarleton Quarter” remains a

May 12, 1780

May 12, 1780

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Charleston, South Carolina. Lincoln’s Americans surrender to Clinton’s British. They take 6,000 prisoners. But the British will soon discover that the loyalists they had counted on to govern the colony are far fewer than they thought.

April 17, 1780

April 17, 1780

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The French and British fleets clashed off Martinique in the Caribbean (West Indies). The fierce battle ended in a stalemate, with no enemy ships sunk or captured, but all heavily damaged. The French’s attempts to escape the battle, however, gave the British a moral advantage.

June 18, 1778

June 18, 1778

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Sir Henry Clinton completes the evacuation of Philadelphia. After crossing 90 dangerous miles of rebel territory, he rejoins Sir William Howe’s troops in New York.

May 8, 1778

May 8, 1778

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Philadelphia. Sir Henry Clinton replaces Sir William Howe as commander of the British troops. He succeeds Howe and Burgoyne, who had their chance, and failed. He intends to abandon Philadelphia to more effectively deploy the 27,000 remaining troops: 8,400 in New York, 3,500 in Rhode

February 6, 1778

February 6, 1778

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American Revolution. French King Louis XVI, without even consulting his Spanish ally, recognized American independence and signed a treaty of alliance with the United States of America. Some historians believe he thus missed the opportunity to exploit Germany’s temporary weakness and embarked on a path

May 1777

May 1777

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Canada. British General Burgoyne lands, targeting the American rebels. He expects to have 2,000 Canadian and 100 Indian soldiers at his disposal. The numbers will be only 650 and 500, respectively, including untrained local loyalists.

January 3, 1777

January 3, 1777

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Battle of Princeton, New Jersey. The Continental Army, led by George Washington and Hugh Mercer, surprises Cornwallis’s British forces, capturing 250 of them and killing about 50. The American casualties are approximately 30.

December 26, 1776

December 26, 1776

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Battle of Trenton, New Jersey. George Washington and Nathaniel Greene, in difficult conditions, cross the Delaware River and surprise the German Hessians of the British Army, capturing 896 of them and killing 22. Two Americans were killed during the arduous march.

November 16, 1776

November 16, 1776

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New York. British troops, actually composed mostly of German Hessian mercenaries, assault Fort Washington, 10 miles north of New York. They lose 440 lives, but capture the fort with 3,000 prisoners, 146 cannons, 12,000 cannon shells, 2,800 muskets, and 400,000 musket balls.

September 13, 1776

September 13, 1776

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New York, United States of America. British troops under General Howe break through to Manhattan and occupy the southern tip of the island, capturing 67 artillery pieces. Washington retreats to Harlem Heights in the north of the island.

July 12, 1776

July 12, 1776

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Captain James Cook’s third voyage; he was assassinated by the Hawaiians in 1779; at that moment the K-1 watch, which he had brought with him for the second time, stopped ticking.

July 4, 1776

July 4, 1776

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United States Declaration of Independence. After a decade of conflict with Great Britain, the 13 American colonies responded to King George III’s outright refusal to grant political reform with a call for revolution. On July 4, 1776, more than 14 months after the war began