The United States entered the First World War after Congress declared war on the German Empire.
21st November 1974: The Birmingham pub bombings kill 21 people and injure 182
21st November 2020
H. L. Hunley became the first submarine to sink an enemy ship when it attacked the Union Navy warship USS Housatonic.
Nuclear propulsion enabled Nautilus to smash numerous records including those for both submerged speed and distance, and became the first submarine to transit the North Pole in August 1958.
13th April 1919: British troops commit the Amritsar Massacre
13th April 2021
12th April 1945: Harry Truman becomes president of the USA
12th April 2021
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2020
1st September 1939: Nazi Germany invades Poland
1st September 2018
9th November 1989: East Germany opens the Berlin Wall
9th November 2019