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

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…

World War I: Italy suffers a disastrous defeat at the Battle of Caporetto on the Austro-Italian front. Date: October 24, 1917 Read more on Wikipedia → 📅 Other events on October 24 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917World War I: United States Declares War on…

In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001. Date: November 24, 1917 Read more on Wikipedia → 📅 Other events on November 24 📅 Events on this day in 1917 📅…

The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text. Date: March 1, 1917 Read more on Wikipedia → 📅 Other events on March 1 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917SS Laurentic Sinks After Hitting German…

World War I: First Battle of Gaza: British troops are halted after 17,000 Turks block their advance. Date: March 26, 1917 Read more on Wikipedia → 📅 Other events on March 26 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917Imperial War Graves Commission Established to Honor British…

The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship. Date: March 2, 1917 Read more on Wikipedia → 📅 Other events on March 2 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917World War I: United States Declares War on Germany, April 6, 1917World War…