Editing 1917 (section)

=== October ===
{{main|October 1917}}
* [[October 4]] &ndash; WWI: [[Battle of Broodseinde]] near Ypres &ndash; British Imperial forces overpower the [[4th Army (German Empire)|German 4th Army]]'s defences.
* [[October 12]] &ndash; WWI: [[First Battle of Passchendaele]]: &ndash; Allies fail to take a German defensive position, with the biggest loss of life in a single day for New Zealand, over 800 men and 45 officers are killed, roughly 1 in 1,000 of the nation's population at this time.
* [[October 12]]&ndash;[[October 19|19]] &ndash; WWI: [[Operation Albion]] &ndash; German forces land on and capture the [[West Estonian archipelago]].
* [[October 13]] &ndash; The [[Miracle of the Sun]] is reported at [[Fátima, Portugal]].
* [[October 19]]
** [[Dallas Love Field]] Airport is opened in Texas.
** [[Carl Swartz]] leaves office as Prime Minister of Sweden, after dismal election results for the right-wing in the Riksdag elections in September. He is replaced by liberal leader and history professor [[Nils Edén]].
* [[October 23]] &ndash; A [[Brazil during World War I|Brazil]]ian ship is destroyed by a German U-boat, encouraging Brazil to enter World War I.
* [[October 24]] &ndash; WWI: [[Battle of Caporetto]] opens between the [[Kingdom of Italy]] and the [[Central Powers]] near [[Kobarid]] in the [[Austrian Littoral]]. It is the first major engagement for junior German officer Erwin Rommel.
* [[October 26]] &ndash; WWI: [[First Brazilian Republic#Brazil in World War I|Brazil]] declares war against the [[Central Powers]].
[[File:Venceslau Brás declara guerra 1917.jpg|thumb|Brazilian President [[Venceslau Brás]] signs a declaration of war against the [[Central Powers]]]]
* [[October 27]] &ndash; WWI: [[Battle of Buqqar Ridge]] &ndash; [[Ottoman Empire|Ottoman]] forces attack British [[Desert Mounted Corps]] units garrisoning El-Buqqar Ridge, during the last days of the [[Stalemate in Southern Palestine]].
* [[October 31]] &ndash; WWI: [[Battle of Beersheba (1917)|Battle of Beersheba]] &ndash; The British [[XX Corps (United Kingdom)|XX Corps]] and [[Desert Mounted Corps]] ([[Egyptian Expeditionary Force]]) attack and capture [[Beersheba]] from Ottoman forces, ending the [[stalemate in Southern Palestine]]. The battle includes a rare (by this date) mounted [[Charge (warfare)|charge]], by Australian [[mounted infantry]].