In 1789, French nobleman and scientific researcher Antoine Lavoisier discovered the law of conservation of mass and defined an element as a basic substance that could not be further broken down by the methods of chemistry.

Antoine Lavoisier, in his famed 1789 Traité Élémentaire de Chimie ( Elements of Chemistry ), refers to Bergmann ’ s work and discusses the concept of elective affinities or attractions.

The person celebrated as the " father of modern chemistry " is Antoine Lavoisier ( 1743 – 1794 ) who developed his law of Conservation of mass in 1789, also called Lavoisier's Law.

In 1789, Antoine Lavoisier securely differentiated chemistry from alchemy by introducing rigor and precision into his laboratory techniques ; allowing him to deduce the conservation of mass and categorize many new chemical elements and compounds.

* 1789: Antoine Lavoisier discovers the law of conservation of mass, the basis for chemistry, and begins modern chemistry

This hypothesis would later be confirmed by Lavoisier, over a century later in 1789.

* 1789 – Antoine Lavoisier: law of conservation of mass, basis for chemistry, and the beginning of modern chemistry

Despite all these advances, the person celebrated as the " father of modern chemistry " is Antoine Lavoisier who developed his law of conservation of mass in 1789, also called Lavoisier's Law.

* Gilbert White publishes The Natural History and Antiquities of Selborne, in the County of Southampton ( dated 1789 ), a pioneering observational study of English ecology.

Lavoisier's Traité élémentaire de chimie ( Elementary Treatise on Chemistry, 1789, translated into English by Scotsman Robert Kerr ) is considered to be the first modern chemistry textbook.

On the death of Charles Alston in 1760, Cullen at the request of the students undertook to finish his course of lectures on materia medica ; he delivered an entirely new course, notes of which were published in an unauthorized edition in 1771, but which he re-wrote and issued as A Treatise on Materia Medica in 1789.

This was his two volume A Treatise of the Materia Medica ( 1789 ), which was highly valued by other medical practitioners throughout Europe.

* A Treatise of the Materia Medica ( 1789 )

Lavoisier's Traité Élémentaire de Chimie ( Elementary Treatise of Chemistry, 1789, translated into English by Robert Kerr ) is considered to be the first modern chemical textbook.

Keir published the first part of his " Dictionary of Chemistry " in 1789.

In 1789 he set about modernising the process of malt grinding and pumping, which had been previously worked with the employment of horses, by introducing what was reputed to be the first steam engine ( Boulton and Watt ) to be used for this purpose outside of London, and was then able to describe his business as the Faversham Steam Brewery.

In 1789, while introducing to the House of Representatives nineteen draft Amendments, James Madison addressed what would become the Ninth Amendment as follows:

Its basic, and equally grandiose idea, was that, as the French Revolution of 1789 had enlarged the concept of individual liberty, another revolution would now be needed for national liberty ; and his vision went further because he hoped that in the no doubt distant future free nations might combine to form a loosely federal Europe with some kind of federal assembly to regulate their common interests.

Absolutism continued to be the dominant political principle of sovereignty until the 1789 French Revolution and the regicide against Louis XVI, which established the concept of popular sovereignty upheld by Jean-Jacques Rousseau.

Blumenbach's concept of Bildungstrieb, formulated in 1789, held that all living organisms " from man down to maggots, and from the cedar to common mould or mucor ," owned an inherent " effort or tendency which, while life continues, is active and operative ; in the first instance to attain the definite form of the species, then to preserve it entire, and, when it is infringed upon, so far as this is possible, to restore it.

Its basic, and equally grandiose idea, was that, as the French Revolution of 1789 had enlarged the concept of individual liberty, another revolution would now be needed for national liberty ; and his vision went further because he hoped that in the no doubt distant future free nations might combine to form a loosely federal Europe with some kind of federal assembly to regulate their common interests.

Although officially established through the 1905 law, the concept of state secularism in France is often traced to the French Revolution beginning in 1789.

Later, Josiah Spode in Stoke further developed the concept, and finalised his formulation sometime between 1789 and 1793.

This intervention of the concept of " human nature " has also been one of the long-standing factors in this text's being largely ignored, as it seemed too " humanist " and therefore akin to liberalism and bourgeois philosophy ( in a literal sense: a philosophy founded on the bourgeois rights of Man proclaimed in the 1789 Declaration of the Rights of Man and of the Citizen ).

French courts have, however, held that the concept of nobility is incompatible with the equality of all citizens before the law proclaimed in the Declaration of the Rights of Man of 1789, and remains part of the Constitution of 1958.

The 1789 discovery of uranium in the mineral pitchblende is credited to Martin Heinrich Klaproth, who named the new element after the planet Uranus.

Pitchblende from the Johanngeorgenstadt deposit in Germany was used by M. Klaproth in 1789 to discover the element uranium.

By 1789 they were the most important element of the local administration of the kingdom.

In 1789 the Gardes Francais constituted the largest element of the Household toops ( Maison Militaire du Roi ).

Tarn is one of the original 83 departments created during the French Revolution on 4 March 1790, through application of the Law of 22 December 1789.

The Swedish Instruments of Government of 1772, the Act of Union and Security of 1789, and the Law of 1734 were declared to have taken precedence and were to be implemented following 1 September 1808.

Although the Vatican ruled in 1789 that the appointment of lay-priests violated Canon Law, Christianity was introduced into Korea by indigenous lay-workers, not by foreign prelates.

As soon as 1789, other terms were used, such as " la Nation, la Loi, le Roi " ( The Nation, The Law, The King ), or " Union, Force, Vertu " ( Union, Strength, Virtue ), a slogan used beforehand by masonic lodges, or " Force, Égalité, Justice " ( Strength, Equality, Justice ), " Liberté, Sûreté, Propriété " ( Liberty, Security, Property ), etc.

With the Law of Suspects, anyone at all was deemed suspicious " who, by their conduct or their relationships, either by their words or writings, have been partisans of tyranny or federalism and enemies of freedom, those whose cannot justify, in the manner prescribed by the decree of March 21, their financial means and remunerations from their civic duties ; those to whom have been denied citizenship certificates, removed by public officials or suspended from their functions by the National Convention or its commissioners and have not been reinstated ; those former nobles, all the husbands, wives, fathers, mothers, son or daughters, brothers or sisters, and agents of émigrés, who have not consistently demonstrated their commitment to the Revolution, those who emigrated from the interval between 1 July 1789 and its release between 30 March – 8 March 1792, even though they returned to France within the time prescribed by such order or earlier.

He gave his name to " Beichman's Law ", which states: " With the single exception of the American Revolution, the aftermath of all revolutions from 1789 on only worsened the human condition.

A leader of the Patriotic Party during the Great Sejm, he set out its program in Several Anonymous Letters to Stanisław Małachowski ( 1788 – 1789 ) and in The Political Law of the Polish Nation ( 1790 ).

* Hugo Kołłątaj, head of the Kołłątaj's Forge party ( Anonymous Letters to Stanisław Małachowski, 1788 – 1789, The Political Law of the Polish Nation, 1790 ); and

The Faculty of Law had moved to Old College, built in 1789, and in 1862 the new degree of LL. B.

11 and 12 ) " Printed by Charles Eyre and Andrew Strahan, Printers to the King's Most Excellent Majesty ; And by Andrew Strahan and William Woodfall, Law Printers to the King's Most Excellent Majesty ", 1789 – 1794 .( Vols.

Furthermore, the ICBN does not consider family names published before 1789 to be names eligible for conservation, thus ruling out Veronicaceae.

As a continuation of the wars sparked by the French Revolution of 1789, they revolutionized European armies and played out on an unprecedented scale, mainly due to the application of modern mass conscription.

As a continuation of the wars sparked by the French Revolution of 1789, they revolutionised European armies and played out on an unprecedented scale, mainly owing to the application of modern mass conscription.

Richard Roberts ( 22 April 1789 – 11 March 1864 ) was a British patternmaker and engineer whose development of high-precision machine tools contributed to the birth of production engineering and mass production.