1915 was a pivotal year, marked by significant developments on the world stage, primarily dominated by World War I. The year witnessed intensified warfare, shifting alliances, and key events that would shape the course of the 20th century.
World War I
January 19: German zeppelins conduct their first air raid on Britain. https://www.wikiwhat.page/kavramlar/world%20war%20i
February 4: Germany declares a submarine blockade of Great Britain. https://www.wikiwhat.page/kavramlar/submarine%20warfare
April 22 – May 25: The Second Battle of Ypres takes place, during which the German army first uses chlorine gas on the Western Front. https://www.wikiwhat.page/kavramlar/second%20battle%20of%20ypres
April 25: Allied forces land on the Gallipoli Peninsula, initiating the Gallipoli Campaign. https://www.wikiwhat.page/kavramlar/gallipoli%20campaign
May 7: The British ocean liner RMS Lusitania is sunk by a German U-boat, killing nearly 1,200 people, including 128 United States citizens. This event significantly impacts public opinion in the United States and contributes to growing anti-German sentiment. https://www.wikiwhat.page/kavramlar/lusitania
May 23: Italy declares war on Austria-Hungary, entering World War I on the side of the Allies. https://www.wikiwhat.page/kavramlar/italian%20front%20world%20war%20i
September 25 - October 8: The Battle of Loos takes place on the Western Front. https://www.wikiwhat.page/kavramlar/battle%20of%20loos
Political Events
January 12: The United States House of Representatives rejects a proposal to give women the right to vote. https://www.wikiwhat.page/kavramlar/womens%20suffrage%20united%20states
March 3: The United States Congress establishes the National Advisory Committee for Aeronautics (NACA), the predecessor to NASA. https://www.wikiwhat.page/kavramlar/national%20advisory%20committee%20for%20aeronautics
Science and Technology
June 22: The Zeppelin LZ 38 bombs Allied targets in London, the first air raid on the British capital. https://www.wikiwhat.page/kavramlar/zeppelin
The Braggs, William Henry Bragg and his son William Lawrence Bragg, are awarded the Nobel Prize in Physics for their work on the analysis of crystal structure by means of X-rays. https://www.wikiwhat.page/kavramlar/x-ray%20crystallography
Cultural Events
February 8:The Birth of a Nation, a controversial film directed by D.W. Griffith, premieres in Los Angeles. While technically innovative, the film is highly criticized for its racist portrayal of African Americans and glorification of the Ku Klux Klan. https://www.wikiwhat.page/kavramlar/the%20birth%20of%20a%20nation
November 14: Albert Einstein presents his theory of general relativity to the Prussian Academy of Sciences.
Other Notable Events
April 24: The Armenian Genocide begins in the Ottoman Empire. Hundreds of Armenian intellectuals and community leaders are arrested and executed in Constantinople (present-day Istanbul). https://www.wikiwhat.page/kavramlar/armenian%20genocide