Editing 1737 (section)

=== July&ndash;September ===
* [[July 9]] &ndash; The direct male line of the [[Medici]] family becomes extinct, with the death of [[Gian Gastone de' Medici, Grand Duke of Tuscany]].
* [[July 12]] &ndash; [[Austria]] enters the [[Russo-Turkish War (1735–1739)|Russo-Turkish War]] as an ally of Russia against the Ottoman Empire.<ref>{{cite book|chapter=Mahmud Khan I|title=The Sultans of the Ottoman Empire|first=Dr. Raşit|last=Gundogdu|publisher=Rumuz Publishing|year=2020|page=163}}</ref>
* [[July 17]] &ndash; The British ship ''Catherine'' founders in a storm off of [[Nova Scotia]]'s [[Cape Sable Island]] during its voyage from Ireland to [[Boston]], killing 98 of the 201 people on board.
* [[August 4]] &ndash; Austria's army is defeated by the Ottoman Army and Bosnian defenders in the [[Battle of Banja Luka]].
* [[August 15]] &ndash; The Portuguese frigate ''Nossa Senhora da Boa Viagem'' arrives at [[Maldonado, Uruguay|Maldonado]] (now in [[Uruguay]]) as Captain Duarte Pereira brings the news that the [[Spanish–Portuguese War (1735–1737)|Spanish–Portuguese War]] ended by an agreement signed on March 16.<ref name=Marley/>
* [[September 1]] &ndash; The oldest existing [[English language]] [[newspaper]] in the world, ''[[The News Letter]]'', is founded in [[Belfast]], Ireland.
* [[September 20]] &ndash; [[Running|Runner]] Edward Marshall completes his journey in the [[Walking Purchase]], forcing the cession of {{convert|1200000|acre|km2}} of [[Lenape|Lenape-Delaware]] tribal land to the [[Province of Pennsylvania]].