During the ten years of their marriage, Martha bore six children: Martha, called Patsy, ( 1772 – 1836 ); Jane ( 1774 – 1775 ); an unnamed son ( 1777 ); Mary Wayles, called Polly, ( 1778 – 1804 ); Lucy Elizabeth ( 1780 – 1781 ); and Lucy Elizabeth ( 1782 – 1785 ).

In 1804, Richard Trevithick designed and built the first ( unnamed ) steam locomotive to run on smooth rails.

* 1804 – The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.

The first steam locomotive was built by Richard Trevithick ; it first ran on 21 February 1804, although it was some years before steam locomotive design became economically practical.

* September 25 – Nicolas-Joseph Cugnot, French steam vehicle pioneer ( d. 1804 )

In 1804, Richard Trevithick, in the first recorded use of self propelled steam power on a railway, ran a high-pressure steam locomotive with smooth wheels, on an ' L ' section plateway near Merthyr Tydfil, but it was found more expensive than horses.

Since 1804, the mine owner, Christopher Blackett had been investigating the possibilities of working the mine's short colliery tramroad by steam traction.

Richard Trevithick | Trevithick's locomotive, 1804 the first successful steam locomotive

On 10 February 1804, a young engineer, Richard Trevithick, drove the world's first ever steam locomotive along a track at the Penydarren ironworks, near Merthyr Tydfil.

This was used by Richard Trevithick to demonstrate a pioneer locomotive in 1804, using one of his high pressure steam engines, but the engine was so heavy that it broke many of the rails.

Since the invention of the very first railway steam locomotive in 1804, railway companies have applied names to their locomotives, carriages and multiple units.

The village was the terminus of the world's first steam railway journey when on 21 February 1804 the inventor Richard Trevithick drove a steam locomotive hauling both iron and passengers travelled from the Penydarren ironworks in Merthyr Tydfil to the basin of the Glamorganshire Canal at Abercynon.

* 1804 – Richard Trevithick built a prototype steam-powered railway locomotive.

* Trevithick ( 1799 ) Penydarren Ironworks locomotive, 21 February 1804,

Robert Davidson ( 1804 – 1894 ) was a Scottish inventor who built the first known electric locomotive in 1837.

Local hero Augustus Smith MP ( 1804 ) led gangs of local and hired men from London's East End brought out on the new railway on a specially chartered train to break the fences and protect Berkhamsted Common for the people of Berkhamsted.

In the chapel of this house, at Mass on February 2, 1804, the two foundresses and their postulant, Catherine Duchatel of Reims, made or renewed their vow of chastity, to which they added that of devoting themselves to the Christian education of girls, further proposing to train religious teachers who should go wherever their services were requested.

Matthias Jakob Schleiden ( 5 April 1804 23 June 1881 ) was a German botanist and co-founder of the cell theory, along with Theodor Schwann and Rudolf Virchow.

Early European-American official exploration was reported in 1804 by Lewis and Clark as they journeyed west along the Missouri River.

Originally called " Short Mill ," Shortsville began its existence in 1804 when Theophilus Short built two mills along the shores of the Canandiagua Outlet ; the village was then incorporated in 1889.

The town was formed, along with the county, in 1796 as one of the original towns in the county, but was not settled until around 1804.

Construction started in 1804 to build the tidal New Cut, where it is joined by the River Malago, and divert the Avon along the Feeder Canal to the harbour ; a system designed and built by William Jessop and later improved by Isambard Kingdom Brunel.

Between 1791 and 1804, the leaders François Dominique Toussaint-Louverture and Jean-Jacques Dessalines led the revolution against the slave system established on the island ; slavery in Saint-Domingue, along with other Caribbean colonies from the French colonial empire, were the third largest source of income to France.

The Ottomans had suppressed the formation of a Serbian state along with its military from 1540 until 1804, the year of the first Serbian uprising.

Partly due to efforts of Félix Morisseau-Leroy, since 1961 Haitian Creole has been recognized as an official language along with French, which had been the sole literary language of the country since its independence in 1804.

Between 1804 and 1813, Van Diemen's Land was divided along the 42nd parallel, and the two sections governed as separate " Lieutenant-Governorships " under the Governor of New South Wales.

Thomas Moore ( 1779 – 1852 ) in his poem Written on passing Dead-man's Island in the Gulf of St. Lawrence, Late in the Evening, September, 1804 places the vessel in the north Atlantic: " Fast gliding along, a gloomy bark / Her sails are full, though the wind is still, / And there blows not a breath her sails to fill.

He also carved figureheads for the U. S. Navy frigates ( John Adams, 1799, whereabouts unknown ), ( Hercules, 1799, burned 1804 ), and ( Captain John Smith, 1822, whereabouts unknown ); along with the gun-ships ( Benjamin Franklin, 1815, U. S. Naval Academy Museum ), ( Christopher Columbus, 1819, whereabouts unknown ), ( Sir Walter Raleigh, 1820, whereabouts unknown ), and ( Hercules, 1824 – 37, attributed to Rush or his son John, whereabouts unknown ).

In November 1804 Caley, with three convict assistants, attempted to cross the Blue Mountains along the northern edge of the Grose Valley.

He became joint ruler of the country along with his brother Salim on the death of their father, Sultan bin Ahmad, in 1804.

Sixteen wayside markers recounting aspects of Shannon's career were also placed along the trail, which runs through the region in which Shannon is thought to have wandered during his 1804 separation from the expedition.

In 1804 Napoleon built a road along the coastline.

The scarcity of the bible, along with the determination of Mary to get one ( she had saved for six years ), was a major factor in the foundation of the British and Foreign Bible Society in 1804.

In 1804 the town of Uitenhage was founded along the Swartkops River, a short distance inland from its estuary at Algoa Bay.

In 1804, Bazyli Wojciech Kukolnik was invited to teach in Russia along with professors Ivan Orlay ( Orlay János ) and Mikhail Balugjanskij.

After his death in 1804, the land was acquired by Robert Campbell ( 1769 – 1836 ), a wealthy merchant who built some of the early warehouses along the Sydney Cove waterfront.

Rouse Hill encompasses what was originally known as the Village of Aberdour along with the area originally known as Vinegar Hill following the convict rebellion of 1804.

Steam engine haulage was tried by Richard Trevithick on the Merthyr Tramroad from Penydarren to Abercynon in 1804, but proved unsatisfactory, partly because the engine was too heavy for the rails.

In 1803 their son Robert was born, and in 1804 they moved to West Moor, near Killingworth while George worked as a brakesman at Killingworth pit.

There were 33 people, including 29 participants in training at the 1803 – 1804 Camp Dubois winter staging area in Illinois Territory, near present day Hartford, Illinois.

In the winter of 1804 – 05, the party built Fort Mandan, near present-day Washburn, North Dakota.

The United States adapted the former Spanish facility at Fort Bellefontaine as a fur trading post near St. Louis in 1804 for business with the Sauk and Fox.

1857 drawing of John Kinzie house c. 1804, near the mouth of the Chicago River.

In 1804 Kinzie purchased the former house and lands of Jean Baptiste Point du Sable, located near the mouth of the Chicago River.

)), born near Stuarts Draft, was a member of the Lewis and Clark Expedition ( 1804 − 1806 ); best remembered for his 1807-1808 explorations as the first person of European descent to enter the region now known as Yellowstone National Park and the Grand Tetons

His son Joseph ( died 1804 ) married Rachel Mocatta, and his grandson Abraham Montefiore ( died 1824 ) married Henrietta whose father, the financier Nathan Meyer Rothschild, lived near the modern Colberg Place from 1818 to 1835.

On July 4, 1804, to mark Independence Day, the Lewis and Clark Expedition named Independence Creek ( River ) located near the city of Atchison ( see Timeline of the Lewis and Clark Expedition ).

Charles Floyd of the Lewis and Clark Expedition, who died in 1804 near what is now Sioux City, Iowa, and who was the only member thereof to die on the Expedition.

On June 7, 1804, their journey lead them to the convergence of the Missouri River and Moniteau Creek near the future settlement of Rocheport.

The area was first settled around 1804 near Ossian Center.

Lewis and Clark camped at the mouth of the Vermillion River near the present-day town on Friday, August 24, 1804.

In September 1804 he was presented to the Crown living of Kilmersdon, near Bath, which he held until 1806.

The highest point in Tobago is the 550 metre ( 1804 ft ) Pigeon Peak near Speyside.

In 1804, Charles Throsby penetrated through the Bargo brush to the country on the tablelands near Moss Vale and Sutton Forest.

He died in Augusta, Georgia on February 2, 1804, at his home, College Hill, near Augusta.

Subsequent expeditions into the bay took place in 1803 to establish the first settlement in Victoria, near Sorrento, but was abandoned in 1804.

Lannes purchased the seventeenth-century Château de Maisons, near Paris, in 1804 and had one of its state apartments redecorated for a visit from Napoleon.

The second school of this kind was founded in 1804 at Beaupréau ( near Angers ), but was actually in use after a third one was already functional in Châlons-en-Champagne.

Floyd died on August 20, 1804, near present-day Sioux City, Iowa, from what is now believed to have been a ruptured appendix.

Sekonyela was born in 1804 near Harrismith next to the Wilge River.