World War I: United States Declares War on Austria-Hungary, December 7, 1917

World War I: USS Jacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SM U-53. 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 1917U.S….

World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops. Date: June 7, 1917 Read more on Wikipedia → 📅 Other events on June 7 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917Imperial War…

Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority. Date: August 30, 1917 Read more on Wikipedia → 📅 Other events on August 30 📅 Events on this day in 1917 📅 On This Day (Today) More events from 1917First Demonstrations in Saint Petersburg Begin February…

The Finnish Senate submits to the Parliament of Finland a proposal for the form of government of the Republic of Finland and issues a communication to Parliament declaring the independence of Finland. Date: December 4, 1917 Read more on Wikipedia → 📅 Other events on December 4 📅 Events on this day in 1917 📅…

Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage. Date: January 19, 1917 Read more on Wikipedia → 📅 Other events on January 19 📅 Events on this day in 1917 📅 On This Day (Today) More events from…

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 1917Halifax Explosion Kills Over 1,900 in…