Editing 1812 (section)

=== July–September ===
* [[July 12]] – Americans invade Canada at [[Windsor, Ontario]].
* [[July 18]] – [[Russia's Patriotic War]] – [[Battle of Klyastitsy]]: [[Yakov Kulnev|Kulnev]] defeats [[Nicolas Oudinot|Oudinot]], but sustains a mortal wound.
* [[July 19]] – [[Beethoven]] and [[Goethe]] meet each other in [[Teplice]], [[Bohemia]].
* [[July 22]] – [[Peninsular War]] – [[Battle of Salamanca]]: British forces led by [[Arthur Wellesley, 1st Duke of Wellington|the Earl of Wellington]] defeat French troops near [[Salamanca]], Spain.
* [[August 5]] – [[War of 1812]]: [[Tecumseh]]'s [[Native Americans in the United States|Indian]] force ambushes [[Thomas Van Horne]]'s 200 Americans at Brownstone Creek, causing them to flee and retreat.
* [[August 12]] – [[Peninsular War]]: The combined English and Portuguese army under the command of [[Arthur Wellesley, 1st Duke of Wellington|Wellington]] enters [[Madrid]], following the [[Battle of Salamanca]].
* [[August 15]] – [[War of 1812]] – [[Battle of Fort Dearborn]]: [[Potawatomi]] warriors overrun the United States fort in [[Illinois Territory]].
* [[August 16]] – [[War of 1812]]: American General [[William Hull]] surrenders [[Fort Shelby (Michigan)|Fort Detroit]], without a fight, to the British Army.
* [[August 19]] – [[War of 1812]]: {{USS|Constitution}} [[USS Constitution vs HMS Guerriere|defeats]] the British [[frigate]] {{HMS|Guerriere|1806|2}}, off the coast of [[Nova Scotia]]. The British shot is said to have bounced off ''Constitution''{{'}}s sides, earning her the nickname "Old Ironsides".<ref>{{cite book |isbn = 978-0-393-05847-5 |oclc = 70291925 |location = New York |title = Six Frigates: The Epic History of the Founding of the U.S. Navy |last = Toll |first = Ian W. |publisher = W. W. Norton |year = 2006 |page=350 |url = https://archive.org/details/sixfrigatesepich00toll }}</ref>
* [[September 7]] – [[Napoleonic Wars]] – [[French invasion of Russia]] – [[Battle of Borodino]]: The bloodiest battle of the Napoleonic Wars so far ends in a [[tactical victory]] for Napoleon. There are at least 70,000 casualties, with a minimum of 6,562 dead from the French [[Grande Armée]] alone.<ref>{{cite journal|last1=Kuehn |first1=John T. |title=The Battle of Borodino: Napoleon Against Kutuzov (review) |journal=The Journal of Military History |date=26 October 2008 |volume=72 |issue=4 |pages=1295–1296 |doi=10.1353/jmh.0.0141 |s2cid=161057504 |url=https://muse.jhu.edu/article/251445 |access-date=5 September 2020 |language=en |issn=1543-7795}}</ref>
* [[September 14]] – [[French invasion of Russia]] and [[Fire of Moscow (1812)|Fire of Moscow]]: [[Napoleon]]'s troops enter Moscow, which is deliberately set [[Fire of Moscow (1812)|on fire]] by Muscovites, on orders of [[Fyodor Rostopchin]].  Later accounts report that France lost 40,000 troops during four days of fire between September 17 and 20, and that 20,000 Russian soldiers were killed in what would be described in 1876 as "the greatest example in history of national self-sacrifice for the destruction of an invader."<ref name=Fires>"Fires, Great", in ''The Insurance Cyclopeadia: Being an Historical Treasury of Events and Circumstances Connected with the Origin and Progress of Insurance'', Cornelius Walford, ed. (C. and E. Layton, 1876) p. 67</ref>