Task: Explanation
Input (English): The Darkest Hour is a phrase coined by British prime minister Winston Churchill to describe the period of World War II between the fall of France in 1940 and the Nazi invasion of the Soviet Union in 1941, when the British Empire stood alone against Nazi Germany and the Axis Powers in Europe. The length of time between the fall of France in June 1940 and the German invasion of the Soviet Union in June 1941 measured 363 days, or 11 months and 28 days. It is particularly used for the time when the United Kingdom was under direct threat of invasion; following the evacuation of the British Army from Dunkirk and prior to victory in the Battle of Britain. The darkest moment is usually considered to have been 10 May 1941, when over 1,500 civilians died in Luftwaffe bombing raids on London alone. Question: "The Darkest Hour" generally refers to the time when Britain was under threat of invasion in 1940 and 1941. Who coined the phrase? Answer: Winston Churchill
Output (English): The Darkest Hour is a phrase coined by British prime minister Winston Churchill to describe the period of World War II between the fall of France in 1940 and the Nazi invasion of the Soviet Union in 1941, when the British Empire stood alone against Nazi Germany and the Axis Powers in Europe.