WHAT ALL HAPPENED AUGUST TO DECEMBER 1917
Find out what all happened August to December 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)

Finland declares independence from Russia. (6. December 1917)

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

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

World War I: The United States declares war on Austria-Hungary. (7. December 1917)

World War I: An armistice is reached between the new Bolshevik government and the Central Powers. (15. December 1917)

In Milwaukee, Wisconsin, 9 members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001. (24. November 1917)

The Battle of Broodseinde fought between the British and German armies in Flanders. (4. October 1917)

The Love Field in Dallas, Texas is opened. (19. October 1917)

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

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)

Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time. (6. December 1917)

World War I: At Vincennes outside of Paris, Dutch dancer Mata Hari is executed by firing squad for spying for the German Empire. (15. October 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)

Joseph Stalin enters the provisional government of Bolshevik Russia. (9. November 1917)

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

World War I: The Battle of Polygon Wood begins. (26. September 1917)

Ten Suffragettes are arrested while picketing the White House. (28. August 1917)