Germany First Uses Poison Gas in Battle of Bolimów, January 31, 1915

World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from occupied Belgium. Date: October 12, 1915 Read more on Wikipedia → 📅 Other events on October 12 📅 Events on this day in 1915 📅 On This Day (Today) More events from 1915HMS Princess Irene…

The National Protection War breaks out against the Empire of China, as military leaders Cai E and Tang Jiyao proclaim the independence of Yunnan and begin a campaign to restore the Republic. Date: December 25, 1915 Read more on Wikipedia → 📅 Other events on December 25 📅 Events on this day in 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: 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)…

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 📅…