Editing 1806 (section)

=== October–December ===
*[[October 8]] – Napoleon responds to the September 25 ultimatum from [[Kingdom of Prussia|Prussia]], and begins the [[War of the Fourth Coalition]]; Prussia is joined by [[History of Saxony|Saxony]] and other minor [[List of historic states of Germany|German states]].<ref name= Petre/>
*[[October 9]] – [[Battle of Schleiz]]: French and Prussian forces fight for the first time since the war began. The Prussian army is easily defeated by a more numerous French force.  
*[[October 14]] – [[Battle of Jena–Auerstedt]]: At [[Jena]], [[Napoleon]] defeats the Prussian army of [[Frederick Louis, Prince of Hohenlohe-Ingelfingen|Prince Hohenlohe]], while at [[Auerstedt]], [[Louis-Nicolas Davout|Marshal Davout]] defeats the main Prussian army under [[Karl Wilhelm Ferdinand, Duke of Brunswick]] (who is fatally wounded).
*[[October 17]] – Emperor Jacques I of Haiti ([[Jean-Jacques Dessalines]]) is assassinated at the Pont-Rouge, [[Haiti]], and [[Alexandre Pétion]] becomes first President of the Republic of Haiti.
*[[October 20]] – British [[ship of the line]] {{HMS|Athenienne|1800}} is wrecked in the [[Strait of Sicily]] with the loss of 347 of the 488 on board.
*[[October 24]] – [[Fall of Berlin (1806)|French forces enter Berlin]].
*[[October 30]] –  [[Capitulation of Stettin]]: Believing themselves massively outnumbered, the 5,300-man garrison at [[Szczecin|Stettin]] in Prussia surrenders to a much smaller French force without a fight.
*[[November 15]] – [[Pike Expedition]]: During his second exploratory expedition, Lieutenant [[Zebulon Pike]] sees a distant mountain peak while near the [[Colorado]] foothills of the [[Rocky Mountains]] (later named [[Pikes Peak]] in his honor).
*[[November 21]] – [[Napoleon]]'s [[Berlin Decree]] initiates the [[Continental System]], blocking the import of British manufactured goods to the rest of Europe.<ref>{{cite book|chapter=Napoleon's Continental Blockade – An Effective Substitute to Naval Weakness?|first=Silvia|last=Marzagali|title=Naval Blockades and Seapower: Strategies and Counter-Strategies, 1805–2005|editor1-first=Bruce A.|editor1-last=Elleman|editor2-first=S. C. M.|editor2-last=Paine|location=London|publisher=Routledge|year=2007|isbn=9786611158309|page=25}}</ref>
*[[November 24]] – The last major Prussian field force, under [[Gebhard Leberecht von Blücher]], surrenders to the French near [[Lübeck]]. [[Frederick William III of Prussia|Frederick William III]] has by this time fled to [[Klaipėda|Memel]] in East Prussia.
*[[November 28]] – French troops enter [[Warsaw]].
*[[December 23]] – [[Ludwig van Beethoven]] premieres his [[Violin Concerto (Beethoven)|violin concerto]] at the [[Theater an der Wien]].
*[[December 26]] – [[War of the Fourth Coalition]]:
** [[Battle of Pułtusk]] – [[Russian Empire|Russian]] forces under [[Levin August, Count von Bennigsen|General Bennigsen]] narrowly escape from a direct confrontation with [[Napoleon]], who goes into winter quarters.
** [[Battle of Golymin]] – [[Russian Empire|Russian]] forces under [[Dmitry Golitsyn|General Golitsyn]] fight a successful rearguard action against [[First French Empire|French]] forces, under [[Joachim Murat|Marshal Murat]].