* 1798 – French troops land in Kilcummin harbour, County Mayo, Ireland to aid Wolfe Tone's United Irishmen's Irish Rebellion.

* 1798 – Wolfe Tone's United Irish and French forces clash with the British Army in the Battle of Castlebar, part of the Irish Rebellion of 1798, resulting in the creation of the French puppet Republic of Connaught.

* 1798 – French Revolutionary Wars: the Battle of the Nile concludes in a British victory.

* 1798 – French Revolutionary Wars: Battle of the Nile ( Battle of Aboukir Bay ) – Battle begins when a British fleet engages the French Revolutionary Navy fleet in an unusual night action.

* 1798 – Sangolli Rayanna, Indian freedom fighter ( d. 1831 )

* 1798 – Jules Michelet, French historian ( d. 1874 )

* 1798 – Irish Rebellion of 1798: Irish rebels, with French assistance, establish the short-lived Republic of Connaught.

* 1725 – Giacomo Casanova, Italian adventurer and writer ( d. 1798 )

* 1798 – August Heinrich Hoffmann von Fallersleben, German poet ( d. 1874 )

* 1798 – Étienne Bobillier, French mathematician ( d. 1840 )

* 1873 – William Tite, English architect ( b. 1798 )

During the Helvetic Republic ( 1798 – 1803 ), the county of Baden, the Freie Ämter and the region known as the Kelleramt were combined into the Canton of Baden.

** April 1798 – November 1801 Jakob Emmanuel Feer ( b. 1754 – d. 1833 )

The Virginia Report of 1799 – 1800, Touching the Alien and Sedition Laws ; together with the Virginia Resolutions of December 21, 1798, the Debate and Proceedings thereon in the House of Delegates of Virginia, and several other documents illustrative of the report and resolutions

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.

Battle of the Nile, Augt 1st 1798, Thomas Whitcombe, 1816, National Maritime Museum – the climax of the battle, as Orient explodes

#** Christine Charlotte Alexandrine Egypta Bonaparte ( 1798 – 1847 )

The French-sponsored Roman Republic ( 15 February 1798 – 23 June 1800 ) was headed by multiple consuls:

* Francesco Riganti, Carlo Luigi Costantini, Duke Bonelli-Crescenzi, Antonio Bassi, Gioacchino Pessuti, Angelo Stampa, Domenico Maggi, Provisional Consuls ( 15 February – 20 March 1798 )

* Liborio Angelucci, Giacomo De Mattheis, Panazzi, Reppi, Ennio Quirino Visconti, Consuls ( 20 March – September 1798 )

By 1798 Thompson had completed a survey of from Grand Portage, through Lake Winnipeg, to the headwaters of the Assiniboine and Mississippi Rivers, as well as two sides of Lake Superior.

Mississippi Territory from 1798 ( expanded 1804 / 1812 ), with Alabama Territory created March 3, 1817.

In 1798 the US made this area part of the Mississippi Territory, after cessions from the states of Georgia and South Carolina.

Arriving upon land west of the Mississippi River in 1798 — which was, at that time, part of the upper Louisiana Territory and under Spanish rule — was the Irish born William Murphy.

John Anthony Quitman ( b. September 1, 1798, Rhinebeck, New York – July 17, 1858, Natchez, Mississippi ) was an American politician and soldier.

The territory ceded by Spain in this treaty was organized by the United States into the Mississippi Territory in 1798.

Dunbar became surveyor general in the Natchez area in 1798 and making his first meteorological observations in the Mississippi Valley in 1799.

Henry Wilson, in his History of Slavery, quotes Varnum in the debate on the bill for the government of the Mississippi Territory before the United States House of Representatives in March 1798 as having been very strong and outspoken in his opposition to negro servitude.

Part of it would be organized as the Mississippi Territory in 1798, two years after the Southwest Territory had passed from existence.

The Territory of Mississippi was an organized incorporated territory of the United States that existed from April 7, 1798, until December 10, 1817, when the final extent of the territory was admitted to the Union as the state of Mississippi.

The Mississippi Territory was organized in 1798 from land that had been disputed by the U. S. and Spain until Spain ceded its claim with the Treaty of Madrid initially signed between the two countries representatives in 1795.

* Haynes, Robert V. " Territorial Mississippi, 1798 – 1817 ," Journal of Mississippi History 2002 64 ( 4 ): 283 – 305

* Lowery, Charles D. " The Great Migration to the Mississippi Territory, 1798 – 1819 ," Journal of Mississippi History 1968 30 ( 3 ): 173 – 192

Georgia maintained a claim on western land from 31 ° N to 35 ° N, the southern part of which overlapped with the Mississippi Territory created from part of Spanish Florida in 1798.

In 1798, his family moved near to Natchez, Mississippi, where the Grand Gulf Nuclear Generating Station is currently located.

President John Adams then appointed Sargent the first Governor of the Mississippi Territory, effective from May 7, 1798 to May 25, 1801.

In April 1798, the United States created the Mississippi Territory with Natchez as its first capital.

Explorers and scientists crossing the portage included David Thompson, British explorer of Canada and North West Fur Company cartographer, in 1798 ; Zebulon Pike, early explorer of the American west, in 1805 ; Lewis Cass, American general and explorer, in his unsuccessful 1820 search for the source of the Mississippi River ; Henry Schoolcraft, geologist and explorer, who accompanied Cass in 1820 and led an expedition in 1832 to find the Mississippi's source ; Joseph Nicollet, French geographer and cartographer of the Upper Mississippi, in 1836 ; and Laurence Oliphant, a British explorer and writer, in 1854.

The Great Seal of the State of Mississippi was adopted in 1798, when Mississippi was a United States territory, the Mississippi Territory.

Bethel was founded in 1798 by Obed Denham, in what was then the Northwest Territory.

August, 1818-Arthur St. Clair, General in the Continental Army, member of the Continental Congress and the 9th President of the United States in Congress Assembled in 1798, the first Governor of the Northwest Territory, the first Commander of the U. S. Army, 1791 – 92 ) died in poverty on the Old State Road between Ligonier and Youngstown, when he was riding a wagon into town and probably had a stroke.

In December, 1798, Detroit elected a delegate to the legislature of the Northwest Territory.

Its six points stand for political entities Chicago has belonged to and the flags that have flown over the area: France 1693, Great Britain 1763, Virginia 1778, the Northwest Territory 1798, Indiana Territory 1802, and Illinois 1818.