WHAT ALL HAPPENED MAY TO NOVEMBER 1918
Find out what all happened May to November 1918

Flag of Estonia, previously used by pro-independence activists, is formally adopted as national flag of the Republic of Estonia. (21. November 1918)

A massive forest fire kills 453 people in Minnesota. (12. October 1918)

World War I: the Second Battle of the Marne begins near the River Marne with a German attack. (15. July 1918)

Vojvodina, formerly Austro-Hungarian crown land, proclaims its secession from Austria–Hungary to join the Kingdom of Serbia. (25. November 1918)

San Fermín earthquake hits western Puerto Rico. (11. October 1918)

Decree "On Red Terror" is published in Russia. (5. September 1918)

World War I, Western Front: Battle for Belleau Wood – Allied Forces under John J. Pershing and James Harbord defeat Imperial German Forces under Wilhelm, German Crown Prince. (26. June 1918)

Bapaume taken by the New Zealand Division in the Hundred Days Offensive. (29. August 1918)

Poland declares its independence from Russia. (3. November 1918)

World War I: The Second Battle of the Somme begins. (21. August 1918)

The Western Union Cable Office in North Sydney, Nova Scotia, receives a top-secret coded message from Europe (that would be sent to Ottawa, Ontario, and Washington, DC) that said on November 11, 1918, all fighting would cease on land, sea and in the air. (10. November 1918)

World War I: In the Argonne Forest in France, United States Corporal Alvin C. York kills 28 German soldiers and captures 132, for which he is awarded the Medal of Honor. (8. October 1918)

World War I: The Meuse-Argonne Offensive, the bloodiest single battle in American history, begins. (26. September 1918)

World War I: Austria-Hungary surrenders to Italy. (4. November 1918)

The German High Seas Fleet is incapacitated when sailors mutiny on the night of the 29th-30th, an action which would trigger the German Revolution of 1918–19. (29. October 1918)

Bolsheviks killed Tsar Nicholas II of Russia and his family (Julian calendar date). (4. July 1918)

First airmail service in Canada from Montreal to Toronto. (24. June 1918)

The Imperial Japanese Navy battleship Kawachi blows up at Shunan, western Honshu, Japan, killing at least 621. (12. July 1918)

Kurt Eisner overthrows the Wittelsbach dynasty in the Kingdom of Bavaria. (7. November 1918)

The Ottoman Empire signs an armistice with the Allies, ending the First World War in the Middle East. (30. October 1918)