WHAT ALL HAPPENED APRIL TO SEPTEMBER 1918
Find out what all happened April to September 1918

Bolshevik revolutionary leader Moisei Uritsky is assassinated. (17. August 1918)

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

Mexican Revolution: Battle of Ambos Nogales — U.S. Army forces skirmish against Mexican Carrancistas and their German advisors in the only battle of World War I fought on American soil. (27. August 1918)

World War I, Western Front: Battle for Belleau Wood – Allied Forces under John J. Pershing and James Harbord engage Imperial German Forces under Wilhelm, German Crown Prince. (1. June 1918)

The Azerbaijan Democratic Republic and the First Republic of Armenia declare their independence. (28. May 1918)

Russian Civil War: The Red Army captures Kazan. (10. September 1918)

Ottoman sultan Mehmed VI ascended to the throne. (4. July 1918)

World War I: the Battle of Amiens ends. (11. August 1918)

World War I: Germans repel the British's second attempt to blockade the port of Ostend, Belgium. (9. May 1918)

Japan announces that it is deploying troops to Siberia in the aftermath of World War I. (2. August 1918)

Manfred von Richthofen, aka The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day. (20. April 1918)

World War I, Battle of St. Quentin Canal: The Hindenburg Line is broken by Allied forces. Bulgaria signs an armistice. (29. September 1918)

General Motors acquires the Chevrolet Motor Company of Delaware. (2. May 1918)

The Austro-Hungarian battleship SMS Szent István sinks off the Croatian coast after being torpedoed by an Italian MAS motorboat; the event is recorded by camera from a nearby vessel. (10. June 1918)

Fanny Kaplan shoots and seriously injures Bolshevik leader Vladimir Lenin. This, along with the assassination of Bolshevik senior official Moisei Uritsky days earlier, prompts the decree for Red Terror. (30. August 1918)

The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service. (1. April 1918)

The Sedition Act of 1918 is passed by the U.S. Congress, making criticism of the government during wartime an imprisonable offense. It will be repealed less than two years later. (16. May 1918)

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

The National Council of Bessarabia proclaims union with the Kingdom of Romania. (9. April 1918)

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