World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia. Date: January 31, 1915 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1915 📅 On This Day (Today)

World War I: Kaiser Wilhelm II orders the resumption of unrestricted submarine warfare. Date: January 31, 1917 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1917 📅 On This Day (Today)

Finnish Civil War: The Suinula massacre, which changes the nature of the war in a more hostile direction, takes place in Kangasala. Date: January 31, 1918 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1918 📅 On This Day (Today)

A series of accidental collisions due to poor visibility leads to the loss of two Royal Navy submarines with over a hundred lives, and damage to another five British warships. Date: January 31, 1918 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1918 📅 On This…

The Battle of George Square takes place in Glasgow, Scotland, during a campaign for shorter working hours. Date: January 31, 1919 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1919 📅 On This Day (Today)

Leon Trotsky is exiled to Alma-Ata. Date: January 31, 1928 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1928 📅 On This Day (Today)

World War II: Allied forces are defeated by the Japanese at the Battle of Malaya and retreat to Singapore. Date: January 31, 1942 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1942 📅 On This Day (Today)

World War II: German field marshal Friedrich Paulus surrenders to the Soviets at Stalingrad, followed two days later by the remainder of his Sixth Army, ending one of the war's fiercest battles. Date: January 31, 1943 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1943 📅…

World War II: During the Anzio campaign, the 1st Ranger Battalion (Darby's Rangers) is destroyed behind enemy lines in a heavily outnumbered encounter at Battle of Cisterna, Italy. Date: January 31, 1944 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1944 📅 On This Day (Today)

World War II: American forces land on Kwajalein Atoll and other islands in the Japanese-held Marshall Islands. Date: January 31, 1944 Read more on Wikipedia → 📅 Other events on January 31 📅 Events on this day in 1944 📅 On This Day (Today)