Editing 1853 (section)

=== October–December ===
* [[October 1]] &ndash; [[C. Bechstein]]'s piano factory is founded, one of three established in a "golden year" in the history of the [[piano]] ([[Julius Blüthner]] and [[Steinway & Sons]] being the others).
* [[October 4]]&ndash;[[October 5|5]] &ndash; [[Crimean War]]: The [[Ottoman Empire]] begins war with Russia.
* [[October 4]] &ndash; On the east coast of the United States, [[Donald McKay]] launches the ''[[Great Republic]]'', the world's biggest [[sailing ship]], which at 4,500 tons is too large to be successful.
* [[October 25]] &ndash; In [[Munich]], the art museum [[Neue Pinakothek]] opened.
* [[October 28]] &ndash; [[Crimean War]]: The Ottoman army crosses the [[Danube]] into [[Vidin]]/[[Calafat]], [[Wallachia]].
* [[October 30]] &ndash; [[Taiping Rebellion]]: The Taiping Northern Expeditionary Force comes within {{convert|3|mi|km}} of [[Tianjin]].
* [[November 3]] &ndash; Troops of [[William Walker (filibuster)|William Walker]] capture [[La Paz, Baja California Sur|La Paz]] in [[Baja California Territory]] and declare the (short-lived) [[Republic of Sonora]].
* [[November 4]] &ndash; [[Crimean War]]: [[Battle of Oltenitza]] – Turkish forces defeat the Russians.
* [[November 15]] &ndash; [[Maria II of Portugal]] is succeeded by her son [[Pedro V of Portugal|Pedro V]].
* [[November 30]] ([[November 18]] [[Old Style and New Style dates|O.S.]]) &ndash; [[Crimean War]]: [[Battle of Sinop]] &ndash; The Russian fleet destroys the [[Turkey|Turkish]] fleet.
* [[December 6]] &ndash; [[Taiping Rebellion]]: French [[Minister (diplomacy)|minister]] de Bourboulon arrives at the Heavenly Capital, aboard the ''Cassini''.
* [[December 14]] &ndash; Compagnie Générale des Eaux, predecessor of [[Vivendi]] and [[Veolia]], a global media [[Conglomerate (company)|conglomerate]], is founded in [[Paris]], France.
* [[December 30]] &ndash; [[Gadsden Purchase]]: The United States buys approximately {{convert|77,000|km2|sqmi}} of land from Mexico to facilitate railroad building in the Southwest.