Major Events of September 1915: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from September 1915 and discover how they influenced the world both then and now.

Major Events of September 1915: Key Historical Moments from the Month

01 Sep 1915 Ross Sea Party survival strategy: On September 1, 1915, the Ross Sea Party, part of Ernest Shackleton's Imperial Trans-Antarctic Expedition, began their second summer season in Antarctica. Their mission involved establishing supply depots along the route for Shackleton's planned crossing of the continent. The party faced extreme conditions, and their survival strategies included meticulous planning and resource management. Tragically, several members perished during the expedition.
05 Sep 1915 Zimmerwald Anti-War Conference: The Zimmerwald Conference, held from September 5 to 8, 1915, in Zimmerwald, Switzerland, was the first of three international conferences convened by anti-militarist socialists in response to World War I. A total of 42 individuals and 11 organizations participated, issuing a manifesto denouncing the war and calling for working-class unity. source: en.wikipedia.org
06 Sep 1915 First military tank prototype completed: On September 6, 1915, the British Army's first tank prototype, nicknamed "Little Willie," was completed. Developed by the Landships Committee, it weighed 14 tons and was designed to traverse trenches and rough terrain. Despite its limitations, it marked a significant advancement in military technology. source: history.co.uk
10 Sep 1915 Hellenic Army forms 15th Infantry Division: In response to Bulgaria's mobilization, Greece formed the 15th Infantry Division on September 10, 1915. Headquartered in Thessaloniki, it comprised regiments from the Aegean islands and was part of the V Army Corps. source: en.wikipedia.org
18 Sep 1915 Historic Baseball Blowout: On September 18, 1915, the Boston Braves defeated the St. Louis Cardinals 20-1 in a National League game. The Braves amassed 22 hits, including four triples and three doubles, while Braves pitcher Dick Rudolph allowed only three hits over nine innings. This game marked the largest margin of victory in the National League that season. source: sabr.org
19 Sep 1915 Birth of Germán Valdés, Mexican Comedy Legend: Germán Valdés, known professionally as Tin-Tan, was born on September 19, 1915, in Mexico City. He became a prominent actor, singer, and comedian, renowned for his contributions to Mexican cinema and his distinctive pachuco style. source: en.wikipedia.org
24 Sep 1915 World War I: Ongoing Global Conflict: By September 1915, World War I had expanded beyond Europe, involving numerous nations across multiple continents. The conflict had become a global war, with significant battles on the Western and Eastern Fronts, as well as in the Middle East and Africa. Major powers such as the United Kingdom, France, Germany, Austria-Hungary, the Ottoman Empire, and Italy were deeply engaged in various theaters of war. source: britannica.com
25 Sep 1915 Battle of Loos: British Offensive in World War I: On September 25, 1915, the British launched the Battle of Loos, part of the Third Battle of Artois. This was the largest British offensive of the year, involving six divisions and the first use of gas as a weapon. The attack aimed to break through the German lines at Loos, but despite initial gains, the offensive resulted in heavy British casualties and limited success. source: en.wikipedia.org
26 Sep 1915 Sir A. J. Murray Appointed Chief of the Imperial General Staff: On September 26, 1915, Sir Archibald James Murray was appointed Chief of the Imperial General Staff (CIGS) of the British Army. He succeeded Sir John French, who had been criticized for the failure of the Gallipoli Campaign. Murray's appointment aimed to bring fresh leadership to the British military during World War I. source: en.wikipedia.org
28 Sep 1915 Italy Enters World War I: On September 28, 1915, Italy declared war on Austria-Hungary, entering World War I on the side of the Allies. Italy's decision was influenced by promises of territorial gains and the desire to assert its influence in Europe. Italy's entry into the war opened up a new front in the Alps and along the Isonzo River. source: britannica.com
29 Sep 1915 Philadelphia Phillies win first National League pennant: On September 29, 1915, the Philadelphia Phillies clinched their first National League pennant by defeating the Boston Braves 5-0. The victory was highlighted by Grover Cleveland Alexander's one-hit pitching performance and Gavvy Cravath's record-breaking 23rd home run of the season. source: mlb.com
30 Sep 1915 Boston Red Sox clinch American League pennant: On September 30, 1915, the Boston Red Sox secured the American League pennant, finishing the regular season with a 101-50 record. They went on to defeat the Philadelphia Phillies in the World Series. source: en.wikipedia.org