Editing 1807 (section)

=== July–September ===
*[[July 5]] – A disastrous British attack is mounted against [[Buenos Aires]], during the second failed [[British invasions of the Río de la Plata#Second invasion - 1807|invasion]] of the [[Río de la Plata]].
*[[July 7]]–[[July 9|9]] – The [[Treaties of Tilsit]] are signed between France, Prussia and Russia. [[Napoleon]] and Russian Emperor [[Alexander I of Russia|Alexander I]] ally together against the British. The Prussians are forced to cede more than half their territory, which is formed into the [[Duchy of Warsaw]] in their former Polish lands, and the [[Kingdom of Westphalia]] in western Germany. The [[Free City of Danzig (Napoleonic)|Free City of Danzig]] is also formed (established September 9 by Napoleon).
*[[July 13]] – With the death of [[Henry Benedict Stuart]], the last [[House of Stuart|Stuart]] claimant to the throne of the United Kingdom, [[Jacobitism]] comes to an effective end.
*[[July 20]] – [[Nicéphore Niépce]] is awarded a patent by [[Napoleon Bonaparte]] for the [[Pyréolophore]], the world's first [[internal combustion engine]], after it successfully powers a boat upstream on the river [[Saône]] in France.
*[[August 17]] – The ''[[North River Steamboat]]'', [[Robert Fulton]]'s first American [[steamboat]], leaves New York City for [[Albany, New York|Albany]] on the [[Hudson River]], inaugurating the first commercial steamboat service in the world.
*[[September 1]] – Former U.S. Vice President [[Aaron Burr]] is acquitted of [[treason]]. He had been accused of plotting to annex parts of [[Louisiana]] and Mexico, to become part of an independent republic.
*[[September 2]]–7 – [[Battle of Copenhagen (1807)|Battle of Copenhagen]]: The British [[Royal Navy]] bombards [[Copenhagen]] with fire bombs and phosphorus rockets, to prevent the [[Dano-Norwegian navy]] from surrendering to [[Napoleon]]; 30% of the city is destroyed, and 2,000 citizens are killed.
*[[September 7]] – [[Robert Morrison (missionary)|Robert Morrison]], the first [[Protestant]] [[missionary]] to China, arrives in [[Guangzhou]] (Canton).<ref>"Sketch of the Canton Protestant Mission", by Rev. John Chalmers, in ''The Chinese Recorder and Missionary Journal'', Volume 7 (American Presbyterian Mission Press, 1876) p174</ref>
*[[September 13]] – Beethoven's [[Mass in C major (Beethoven)|Mass in C major]], [[Opus number|Op]]. 86, is premiered, commissioned by [[Nikolaus I, Prince Esterházy]], and displeasing him.<ref>{{cite AV media notes | last = Marston | first = Nicholas | url = http://www.hyperion-records.co.uk/notes/55263-B.pdf | title = Beethoven: Mass in C major, Op. 86 | publisher = [[Hyperion Records]] | type = CD | id = CDH55263 | date = 2006 | access-date = 15 May 2015}}</ref>
*[[September 27]] – Napoleon purchases the [[Scipione Borghese|Borghese]] [[Borghese Collection|art collection]], including the [[Antinous Mondragone]], and brings it to Paris.<ref>Francis Haskell and Nicholas Penny, ''Taste and the Antique: The Lure of Classical Sculpture, 1500-1900'' (Yale University Press, 1982) p281</ref>