In 1801 Napoleon concluded a " Concordat " with Pope Pius VII that opened peaceful relations between church and state in France.

When the electoral ballots were opened and counted on February 11, 1801, it turned out that the certificate of election from Georgia was defective ; while it was clear that the electors had cast their votes for Jefferson and Burr, the certificate did not take the constitutionally-mandated form of a " List of all the Persons voted for, and of the Number of Votes for each ".

Under the patronage of Frederick William III of Prussia, he opened the world's first beet sugar factory in 1801, at Cunern in Silesia.

Eagle Tavern, believed to stand on the site of the old Fort Edward, opened in 1801 and today serves as a museum commemorating the era of wagon and stage travel.

The Eddyville post office opened in 1801.

Schools opened in the city as early as 1801, but many of the wealthiest families relied on private tutors or out-of-state institutions.

The first tavern opened in 1801.

The Bergen area was opened up in 1801 when a road was hacked through the thick " Northwoods " from LeRoy to Lake Ontario.

The Bergen area was opened up in 1801 when a road was hacked through the thick " Northwoods " ( In its early days of settlement, Bergen was called Northwoods.

In 1801, with the support of King Friedrich Wilhelm III, he opened the first sugar beet refinery at Gut Kunern near Steinau Silesia, Prussia.

The first commercial winery in the United States was opened in the Bluegrass Region in 1801 in present day Jessamine County by a group of Swiss immigrants.

On the main line section, the Chirk Aqueduct was opened in 1801, and Pontcysyllte Aqueduct in 1805.

First proposed by Thomas Homer in 1802 as a link from the Paddington arm of the then Grand Junction Canal ( opened in 1801 ) with the River Thames at Limehouse, the Regent's Canal was built during the early 19th century after an Act of Parliament was passed in 1812.

It was opened in 1801.

The Holland Land Company's main land office was opened ( 1801 ) in Batavia, New York.

A sales office for the Holland Land Company was opened in 1801 by surveyor and agent Joseph Ellicott in Batavia where land was sold until 1846 when the company was dissolved.

In 1801, Franklin college, UGA's initial college, opened to students with Josiah Meigs succeeding Baldwin as president to oversee the inaugural class of students.

It was opened in 1801, using the natural harbour.

Further proposals were made in the early 19th century, with schemes being proposed in 1801, 1802, 1803 and 1811, but none of these came to pass and as a result the first link to the sea was via a branch of the Portsmouth and Arundel Canal opened in 1822.

The theatre opened on 13 June 1801 with a prologue written by Schikaneder followed by a performance of the opera " Alexander " by Franz Teyber.

When South Carolina College opened its doors in 1801, the building now known as Rutledge College was the only building on campus.

The 6. 5-mile ( 10. 5-kilometre ) navigable feeder from Wendover to the summit level at Tring was opened in 1799, while the 10. 5-mile ( 17 kilometre ) Buckingham branch, an extension of the original proposal for a link to the main road at Old Stratford, was opened in 1801: both eventually fell into disuse, though the Wendover Arm is undergoing active restoration, and part of it is again navigable.

In 1801, Wood opened his own store providing quality goods from London and Glasgow.

From Gottingen ( 1801 ) where he stayed for 10 days, he wrote, `` The first question asked everywhere is about galvanism.

Probably the first linear and continuous assembly process of post-Renaissance times were the Portsmouth Block Mills built between 1801 and 1803.

From being a mere village in an agricultural district at the beginning of the 19th century, the place grew rapidly in population owing to the abundance of coal and iron ore, and the population of the whole parish, 1, 486 in 1801, increased tenfold during the first half of the 19th century.

The first Burns club, known as The Mother Club, was founded in Greenock in 1801 by merchants born in Ayrshire, some of whom had known Burns.

He entered the Kriegsakademie ( also cited as " The German War School ," the " Military Academy in Berlin ," and the " Prussian Military Academy ") in Berlin in 1801 ( age 21 ), studied the writings of the philosopher Immanuel Kant, and won the regard of General Gerhard von Scharnhorst, the future first chief of staff of the new Prussian Army ( appointed 1809 ).

Gauss also made important contributions to number theory with his 1801 book Disquisitiones Arithmeticae ( Latin, Arithmetical Investigations ), which, among things, introduced the symbol ≡ for congruence and used it in a clean presentation of modular arithmetic, contained the first two proofs of the law of quadratic reciprocity, developed the theories of binary and ternary quadratic forms, stated the class number problem for them, and showed that a regular heptadecagon ( 17-sided polygon ) can be constructed with straightedge and compass.

After three months of intense work, he predicted a position for Ceres in December 1801 — just about a year after its first sighting — and this turned out to be accurate within a half-degree when it was rediscovered by Franz Xaver von Zach on 31 December at Gotha, and one day later by Heinrich Olbers in Bremen.

Early croquet-like game from The Sports and Pastimes of the people of England, first published 1801.

Norway's first nominative, complete census was taken in 1801, when Norway still was ruled by the Oldenburg dynasty of Denmark-Norway.

The first four censuses ( 1801 – 1831 ) were mainly headcounts and contained little personal information.

*: 1801: Joseph Marie Jacquard invents the Jacquard loom, the first machine to use punched cards to control a sequence of operations.

They named their first son George Washington Adams ( 1801 – 1829 ) after the first president.

* 1801 – French astronomer Jean-Louis Pons made his first comet discovery.

Following the Egyptian campaign of 1798 – 1801, Napoléon appointed the museum's first director, Dominique Vivant Denon.

Georges Cuvier first suggested that pterosaurs were flying creatures in 1801, and coined the name " Ptero-dactyle " in 1809 for the specimen recovered in Germany.

The Academy was not pleased, and as a countermeasure Johan Erik Rydqvist ( 1800 – 1877 ) published the first edition of SAOL in 1874, based on the orthography in Leopold's work of 1801.

The first census held throughout the UK was organised in 1801.

The first Census in 1801 revealed that the population of Great Britain was 10. 5 million.

Under Chief Justices Jay, Rutledge, and Ellsworth ( 1789 – 1801 ), the Court heard few cases ; its first decision was West v. Barnes ( 1791 ), a case involving a procedural issue.

In 1913 he also became the first president to deliver the State of the Union address in person since 1801 when Thomas Jefferson discontinued this practice.

* January 1 – Frederick Muhlenberg, first speaker of the United States House of Representatives ( d. 1801 )

He was doomed, however, to disturbance in his studies, first from the death of his mother, next from his inveterate tendency towards poetry, and finally from the First Battle of Copenhagen in April 1801, which, however, inspired a dramatic sketch ( April the Second 1801 ) which is the first thing of the kind by Oehlenschläger that we possess.