World War I: Germany Uses Poison Gas at Battle of Bolimów, January 31, 1915

World War I: The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres. Date: April 22, 1915 Read more on Wikipedia → 📅 Other events on April 22 📅 Events on this day in 1915 📅 On This Day (Today)…

Imperial Trans-Antarctic Expedition: The SY Aurora breaks loose from its anchorage during a gale, beginning a 312-day ordeal. Date: May 6, 1915 Read more on Wikipedia → 📅 Other events on May 6 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915Japan Issues Twenty-One Demands to China January…

Georges Claude patents the neon discharge tube for use in advertising. Date: January 19, 1915 Read more on Wikipedia → 📅 Other events on January 19 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915U.S. Congress Creates United States Coast Guard, January 28, 1915Albert Einstein Presents General Relativity…

World War I: The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres. Date: April 22, 1915 Read more on Wikipedia → 📅 Other events on April 22 📅 Events on this day in 1915 📅 On This Day (Today)…

World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles. Date: March 18, 1915 Read more on Wikipedia → 📅 Other events on March 18 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915Order of…

Typhoid Mary, the first healthy carrier of disease ever identified in the United States, is put in quarantine for the second time, where she would remain for the rest of her life. Date: March 27, 1915 Read more on Wikipedia → 📅 Other events on March 27 📅 Events on this day in 1915 📅…