World War I Battle of Mărășești Begins, August 6, 1917

The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams. Date: November 26, 1917 Read more on Wikipedia → 📅 Other events on November 26 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917U.S. Senate…

Cheka, the first Soviet secret police force, is founded. Date: December 20, 1917 Read more on Wikipedia → 📅 Other events on December 20 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917Congress Passes Immigration Act Over Wilson Veto, February 5, 1917World War I: First Battle of Gaza,…

Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church. Date: May 27, 1917 Read more on Wikipedia → 📅 Other events on May 27 📅 Events on this day in 1917 📅 On This Day (Today) More events…

Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time. Date: December 6, 1917 Read more on Wikipedia → 📅 Other events on December 6 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917World War…

Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives. Date: March 4, 1917 Read more on Wikipedia → 📅 Other events on March 4 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917Selective Service Act Passes, Granting U.S. Conscription Power, May…

World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States. Date: February 24, 1917 Read more on Wikipedia → 📅 Other events on…