Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy. Date: December 17, 1938 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1938 📅 On This Day (Today)

World War II: Battle of the River Plate: The Admiral Graf Spee is scuttled by Captain Hans Langsdorff outside Montevideo. Date: December 17, 1939 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1939 📅 On This Day (Today)

All Chinese are again permitted to become citizens of the United States upon the repeal of the Act of 1882 and the introduction of the Magnuson Act. Date: December 17, 1943 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1943 📅 On This Day (Today)

World War II: Battle of the Bulge: Malmedy massacre: American 285th Field Artillery Observation Battalion POWs are shot by Waffen-SS Kampfgruppe Joachim Peiper. Date: December 17, 1944 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1944 📅 On This Day (Today)

Kurdistan flag day, the flag of Kurdistan is raised for the first time in Mahabad in eastern Kurdistan. Date: December 17, 1945 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1945 📅 On This Day (Today)

First flight of the Boeing B-47 Stratojet strategic bomber. Date: December 17, 1947 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1947 📅 On This Day (Today)

The Finnish Security Police is established to remove communist leadership from its predecessor, the State Police. Date: December 17, 1948 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1948 📅 On This Day (Today)

The F-86 Sabre's first mission over Korea. Date: December 17, 1950 Read more on Wikipedia → 📅 Other events on December 17 📅 Events on this day in 1950 📅 On This Day (Today)