World War I: German 12th Army Occupies Warsaw, August 4, 1915

World War I: German submarine U-20 sinks RMS Lusitania, killing 1,199 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire. Date: May 7, 1915 Read more on Wikipedia → 📅 Other events on May 7 📅 Events on this day in 1915 📅…

World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank. Date: January 24, 1915 Read more on Wikipedia → 📅 Other events on January 24 📅 Events on this day in 1915 📅 On This Day (Today) More events…

World War I: Italy joins the Allies, fulfilling its part of the Treaty of London. Date: May 23, 1915 Read more on Wikipedia → 📅 Other events on May 23 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915Guadalajara Train Disaster Kills 600+ in Mexico, January 22, 1915Patrick…

World War I: Second Battle of Artois between German and French forces. Date: May 9, 1915 Read more on Wikipedia → 📅 Other events on May 9 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915Order of the Arrow Founded at Treasure Island, July 16, 1915Alexander Graham Bell…

William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMS Lusitania. Date: June 9, 1915 Read more on Wikipedia → 📅 Other events on June 9 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915May…