In 1798 the first part of Thomas Paine's Age of Reason was put into his hands ; and in the following year he made his first appearance as an author by publishing his Remarks on that work.

* 1798 Samuel Vince, Observations upon an unusual Horizontal Refraction of the Air ; with Remarks on the Variations to which the lower Parts of the Atmosphere are sometimes subject.

After the French invasion, on 19 March 1798, the governments of Zurich and Bern agreed to the creation of the short lived Canton of Baden in the Helvetic Republic.

Helvetic Republic on 1798 / 99, with the Cantons of Aargau and Baden

* Stone, Geoffrey R. Perilous Times: Free Speech in Wartime from The Sedition Act of 1798 to the War on Terrorism ( 2004 )

The Battle of the Nile ( also known as the Battle of Aboukir Bay, in French as the Bataille d ' Aboukir or in Egyptian Arabic as معركة أبي قير البحرية ) was a major naval battle fought between British and French fleets at Aboukir Bay on the Mediterranean coast of Egypt from 1 – 3 August 1798.

Bonaparte's armada sailed from Toulon on 19 May 1798, making rapid progress through the Ligurian Sea and collecting more ships at Genoa before sailing southwards along the Sardinian coast, passing Sicily on 7 June.

Nelson's first set of dispatches were captured when Leander was intercepted and defeated by Généreux in a fierce engagement off the western shore of Crete on 18 August 1798.

Nelson publicly encouraged this close bond with his officers and on 29 September 1798 described them as " We few, we happy few, we band of brothers ", echoing William Shakespeare's play Henry V. From this grew the notion of the Nelsonic Band of Brothers, a cadre of high-quality naval officers that served with Nelson for the remainder of his life.

The monument was given by Muhammad Ali of Egypt in 1819 in recognition of the battle of 1798 and the campaign of 1801 but not erected on the Victoria Embankment until 1878.

Thomas Malthus wrote two books, An essay on the principle of population, published in 1798, and Principles of political economy, published in 1820.

The Colony of St. John's Island was renamed to Prince Edward Island on November 29, 1798.

The first recorded use of the word cocktail is found in The Morning Post and Gazetteer in London, England on March 20, 1798:

* 1798 – Louis Alexandre Berthier invades Rome, proclaims a Roman Republic on February 15 and then on February 20 takes Pope Pius VI prisoner.

By 1798, relations with France had deteriorated to the point that war seemed imminent, and on July 4, 1798, President Adams offered Washington a commission as lieutenant general and Commander-in-chief of the armies raised or to be raised for service in a prospective war.

Captain George Vancouver, one of Britain's greatest explorers and navigators, died in obscurity on 10 May 1798 at the age of 40, less than three years after completing his voyages and expeditions.

In the Lomersheimer declaration, written in 1798, these religious Separatists presented their statement of faith, based on Christian principles, to the Wurttemberg legislature.

A machine for making a continuous sheet of paper on a loop of wire fabric was patented in 1798 by Nicholas Louis Robert who worked for Saint-Léger Didot family in France.

Jacob, with his younger brother Wilhelm ( born on 24 February 1786 ), were sent in 1798 to the public school at Kassel.

Kingman Reef was discovered by the American Captain Edmund Fanning of the ship Betsey on June 14, 1798.

That the Constitution of the United States, having delegated to Congress a power to punish treason, counterfeiting the securities and current coin of the United States, piracies, and felonies committed on the high seas, and offenses against the law of nations, and no other crimes, whatsoever ; and it being true as a general principle, and one of the amendments to the Constitution having also declared, that " the powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people ," therefore the act of Congress, passed on the 14th day of July, 1798, and intitled " An Act in addition to the act intitled An Act for the punishment of certain crimes against the United States ," as also the act passed by them on the — day of June, 1798, intitled " An Act to punish frauds committed on the bank of the United States ," ( and all their other acts which assume to create, define, or punish crimes, other than those so enumerated in the Constitution ,) are altogether void, and of no force watsoever.

* 1857 – Dionysios Solomos, Greek poet of the Greek national anthem ( b. 1798 )

A few years after the French Revolution, the Ionian area came under the rule of the First French Republic ( 1797 – 1798 ), and the island became the honorary capital of Cephallonia, Lefkada, and part of the Greek mainland, which formed the French département of Ithaque ( the prefecture was at Argostoli on Kefalonia ).

Rigas Feraios ( d. 1798 ), an intellectual and revolutionary, is regarded as a forerunner of the Greek Revolution.

Though criticized by Forkel in Germany and by the Spanish ex-Jesuit, Requeno, who, in his Saggj sul Ristabilimento dell ' Arte Armonica de ' Greci e Romani Canton ( Parma, 1798 ), attacks Burney's account of ancient Greek music, and calls him lo scompigliato Burney, the History of Music was generally well received.

This design had been used earlier as well, as a local symbol ( a similar 16th or 17th century flag has been found near Chania ), while Greek volunteers in Napoleon's army in Egypt in 1798 used a white cross on blue incorporated in the canton of the French flag.

Over the next two days, 13 – 14 October 1798, a major massacre of the French troops and the local Greek population which defended the city took place in Preveza and the Port Salaora on the Ambracian Gulf, starting before Ali Pasha entered Preveza on 13 October but continuing also in his presence.

* Dionysios Solomos ( 1798 – 1857 ), poet and creator of the Greek national anthem

But his great work was an edition of the Greek Anthology, with copious notes, in 13 volumes ( 1798 – 1814 ), supplemented by a revised text from the Codex Palatinus ( 1814 – 1817 ).

* December 24-Demeter Laccataris, Austro-Hungarian portrait painter of Greek origin ( b. 1798 )

Rigas Feraios ( or Rhegas Pheraeos ) or Rigas Velestinlis ( or Rhegas Velestinles ) (,, born Αντώνιος Κυριαζής, Antonios Kyriazis, ; also known as Κωνσταντίνος Ρήγας, Konstantinos or Constantine Rhigas ; Serbian: Рига од Фере, Riga od Fere, ; 1757 – June 13, 1798 ) was a Greek writer, political thinker and revolutionary, active in the Modern Greek Enlightenment, remembered as a Greek national hero, a victim of the Balkan uprising against the Ottoman Empire and a forerunner of the Greek War of Independence.

Kyriakos Pittakis ( 1798 – 1863 ) was a Greek archaeologist from Athens.

* Text of the Kentucky Resolutions of 1798

* Text of Virginia Resolutions of 1798

One source asserts that the term entered the language in 1827, adapted from an extinct Aboriginal language of New South Wales, Australia, but mentions a variant, wo-mur-rang, which it dates from 1798.

In 1784, Britain split the colony of Nova Scotia into three separate colonies: New Brunswick, Cape Breton Island, and present-day peninsular Nova Scotia, in addition to the adjacent colonies of St. John's Island ( renamed Prince Edward Island in 1798 ) and Newfoundland.

* 1798 – The Battle of New Ross: The attempt to spread United Irish Rebellion into Munster is defeated.

Although the New England states rejected the Kentucky and Virginia Resolutions in 1798 – 99, several years later, the state governments of Massachusetts, Connecticut, and Rhode Island threatened to ignore the Embargo Act of 1807 based on the authority of states to stand up to laws deemed by those states to be unconstitutional.

In 1798 Spain revoked this treaty, prohibiting American use of New Orleans, and greatly upsetting the Americans.

He moved back to New Haven in 1798 ; he was elected as a Federalist to the Connecticut House of Representatives in 1800 and 1802 – 1807.

On November 29, 1798, during Fanning's administration, Great Britain granted approval to change the colony's name from St. John's Island to Prince Edward Island to distinguish it from similar names in the Atlantic, such as the cities of Saint John, New Brunswick and St. John's in Newfoundland.

When the platypus was first encountered by Europeans in 1798, a pelt and sketch were sent back to Great Britain by Captain John Hunter, the second Governor of New South Wales.

French privateers usually resisted, as did La Croyable, which was captured on July 7, 1798, by the USS Delaware outside of Egg Harbor, New Jersey.

It was first recorded in January 1798 when John Price and James Wilson, a white man who had adopted Aboriginal ways, visited the area of what is now Bargo, New South Wales.

He was a member of the New York State Assembly in 1798, and of the New York State Senate from the Southern District from 1798 to 1802, and from 1806 to 1811.

He was elected twice to the New York State Assembly ( 1784 – 1785, 1798 – 1799 ),< ref name =" collectushouserep ">

The predilection of the convicts for this game was noted as early as 1798 by New South Wales's first Judge Advocate, as well as the lack of skill involved and the large losses.

In 1798, the town of Oxford was established from part of Southbury causing Litchfield County to lose territory to New Haven County.

* David Thompson ( businessman ) ( 1798 – 1871 ), President of New York Life Insurance & Trust Company

* William Mein Smith ( 1798 – 1869 ), key actor in the early settlement of New Zealand's capital city, Wellington

In 1798, four years after Eli Whitney began manufacturing the cotton gin in New Haven, he made arms for the U. S. government at a mill site in Hamden, where a waterfall provided a good source of power.

Somerset was first settled in 1798 by Thomas Hansford and it received its name from Somerset County, New Jersey, the place where some of the settlers once lived.

* New Hampton Town House ( c. 1798 )

Galloway was incorporated as one of the initial group of 104 townships by an Act of the New Jersey Legislature on February 21, 1798.

Galloway Township was incorporated by the New Jersey Legislature on February 21, 1798, as one of the state's initial group of 104 townships under the Township Act of 1798.