WHAT ALL HAPPENED AUGUST TO NOVEMBER 1917
Find out what all happened August to November 1917

World War I: Battle of Caporetto; Italy suffers a catastrophic defeat at the forces of Austria-Hungary and Germany. The young unknown Oberleutnant Erwin Rommel captures Mount Matajur with only 100 Germans against a force of over 7000 Italians. (26. October 1917)

World War I: The First Battle of Passchendaele takes place resulting in the largest single day loss of life in New Zealand history. (12. October 1917)

The Estonian Provincial Assembly declares itself the sovereign power of Estonia. (28. November 1917)

World War I: Battle of Cambrai begins – British forces make early progress in an attack on German positions but are later pushed back. (20. November 1917)

The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Fátima, Portugal. (13. October 1917)

October Revolution: In Tallinn, Estonia, Communist leader Jaan Anvelt leads revolutionaries in overthrowing the Provisional Government (As Estonia and Russia are still using the Julian Calendar, subsequent period references show an October 23 date). (5. November 1917)

Russia is officially proclaimed a republic. (14. September 1917)

World War I: Brazil declared in state of war with Central Powers. (26. October 1917)

Lenin calls for the October Revolution. (23. October 1917)

World War I: Battle of Beersheba – the "last successful cavalry charge in history". (31. October 1917)

Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority. (30. August 1917)

St. Tikhon of Moscow is elected the Patriarch of Moscow and of the Russian Orthodox Church. (5. November 1917)

First British bombing of Germany in World War I. (17. October 1917)

World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire. (7. November 1917)

World War I: German forces defeat Portuguese army of about 1200 at Negomano on the border of modern-day Mozambique and Tanzania. (25. November 1917)

The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams. (26. November 1917)

World War I: Battle of Mărăşeşti between the Romanian and German armies begins. (6. August 1917)

Traditionally understood date of the October Revolution, involving the capture of the Winter Palace, Petrograd, Russia. The date refers to the Julian Calendar date, and corresponds with November 7 in the Gregorian calendar. (25. October 1917)

Ukraine is declared a republic. (20. November 1917)

A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless. (18. August 1917)