WHAT ALL HAPPENED MAY TO OCTOBER 1917
Find out what all happened May to October 1917

The Norwegian football club Rosenborg BK was founded. (19. May 1917)

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

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: Battle of Messines – Allied soldiers detonated ammonal mines underneath German trenches at Messines Ridge, killing 10,000 German troops. (7. June 1917)

The Commonwealth War Graves Commission is established through Royal Charter to mark, record and maintain the graves and places of commemoration of Commonwealth of Nations military forces. (21. May 1917)

World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia. (20. July 1917)

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

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

The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World. (4. June 1917)

The Allies reach the Yser Canal at the Battle of Passchendaele. (27. July 1917)

World War I: Greece declares war on the Central Powers. (30. June 1917)

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

Alexander I becomes king of Greece. (30. May 1917)

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

Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal. (13. May 1917)

The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona. (12. July 1917)

World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt. (6. July 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)