Editing 1631 (section)

=== July&ndash;September ===
* [[July 9]] &ndash; [[Koca Musa Pasha]], the Ottoman Governor of Egypt, arranges the murder of Emir Kitas Bey, commander of Turkish troops who had been scheduled to invade Persia.
* [[July 16]] &ndash; The city of [[Würzburg]] is taken by [[Gustavus Adolphus of Sweden]], putting an end to the [[Würzburg witch trial]]s, but not before an estimated 900 people from the city and its environs have been burned at the stake for [[witchcraft]].
* [[July 22]] &ndash; [[Thirty Years' War]] &ndash; [[Battle of Werben]]: [[Johann Tserclaes, Count of Tilly|Tilly]] defeats [[Gustavus Adolphus of Sweden]], but not decisively.
* [[August 22]] &ndash; The Treaty of Werben is signed as an alliance between [[Hesse-Cassel]] and [[Sweden]]. 
* [[August 29]] &ndash; (1 Safar 1041 A.H.) [[Abd Allah ibn Hasan]], [[Emir of Mecca]], abdicates in favor of two successors, his son [[Muhammad ibn Abd Allah]] and his great-nephew [[Zayd ibn Muhsin]].
* [[August]] &ndash; [[Thirty Years' War]]: Running out of supplies, [[Johann Tserclaes, Count of Tilly|Tilly]] is forced to send his army into the [[Electorate of Saxony]] in order to secure supplies, as well as to force a reaction from [[John George I, Elector of Saxony|John George, Elector of Saxony]] and [[Gustavus Adolphus of Sweden]].
* [[September 11]] &ndash; [[Thirty Years' War]]: As a result of [[Johann Tserclaes, Count of Tilly|Tilly]]'s invasion, [[John George I, Elector of Saxony|John George, Elector of Saxony]], who has until now stayed neutral, allies with [[Gustavus Adolphus of Sweden]], in order to drive the Imperial army out of Saxony.
* [[September 12]] &ndash; [[Eighty Years' War]] &ndash; [[Battle of Albrolhos]]: A Spanish fleet, under the command of Admiral [[Antonio de Oquendo]], defeats a Dutch fleet off the coast of [[Brazil]]. 
* [[September 13]]&ndash; [[Eighty Years' War]] &ndash; [[Battle of the Slaak]]: A Spanish fleet of 95 ships, carrying 5,500 soldiers tasked with taking over the Dutch Republic, is almost completely destroyed (with 83 ships sunk) the day after being intercepted by a Dutch fleet off of the coast of the Netherlands. 
* [[September 17]] &ndash; [[Thirty Years' War]] &ndash; [[Battle of Breitenfeld (1631)|Battle of Breitenfeld]]: [[Johann Tserclaes, Count of Tilly|Tilly]]'s Holy Roman Imperial army is decisively defeated by [[Gustavus Adolphus of Sweden|Gustavus II Adolphus]] of Sweden, shattering the imperial army of the [[Holy Roman Empire]], and marking the first significant victory for the Protestants in the war.