What is War of the Fourth Coalition?
{{Infobox military conflict | conflict = War of the Fourth Coalition | partof = the [[Napoleonic Wars]] and the [[Coalition Wars]] | image = Charles Meynier - Napoleon in Berlin.png | caption = The French Army marches through Berlin in 1806. | date = October 1806 – July 1807 | place = [[Saxony]], [[Prussia]], [[Poland]], [[East Prussia]], [[Wallachia]], [[Moldavia]] | result = Decisive French victory: <div> *[[Treaties of Tilsit]] *[[Prussia]] loses half of its territory *Creation of the [[Duchy of Warsaw]] *[[Kingdom of Saxony|Saxony]] joins the [[Confederation of the Rhine]] *Franco-Russian alliance *Creation of the [[Continental System]] *Hostilities resume later in 1807 with the commencement of the [[Peninsular War]] and expanded in 1809 with the formation of a [[War of the Fifth Coalition|Fifth Coalition]] against France </div> | combatant1 = '''Fourth Coalition:'''<br /> *{{flag|Prussia|1803}} *{{flagcountry|Russian Empire}} *{{flagcountry|United Kingdom of Great Britain and Ireland}} *{{flagicon image|State flag of Saxony before 1815.svg}} [[Kingdom of Saxony|Saxony]]<br /><small>(until 11 December 1806)</small> *{{flag|Sweden|1761}} *{{flagicon image|Flag of the Kingdom of the Two Sicilies (1738).svg}} [[Kingdom of Sicily|Sicily]] | combatant2 = '''{{flagcountry|First French Empire}}''' *{{flagdeco|Spain|1785}} [[Enlightenment in Spain|Spain]] *[[Confederation of the Rhine]] **{{flagcountry|Kingdom of Bavaria}} **{{flag|Württemberg}} **{{flagicon image|State flag of Saxony before 1815.svg}} [[Kingdom of Saxony|Saxony]]<br /><small>(after 11 December 1806)</small> *{{flagcountry|Napoleonic Italy}} *{{flagcountry|Kingdom of Naples|1806}} *{{flagdeco|Napoleonic Italy|etruria}} [[Kingdom of Etruria|Etruria]] *{{flagdeco|NED}} [[Kingdom of Holland|Holland]] *{{flagdeco|SUI}} [[Swiss Confederation (Napoleonic)|Switzerland]] *{{flagdeco|POL}} [[Polish Legions (Napoleonic period)|Polish Legions]] and [[Greater Poland Uprising (1806)|rebels]] | commander1 = {{flagicon|Prussi