Q: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Context : MW 18014 was a German V-2 rocket test launch that took place on 20 June 1944, at the Peenemunde Army Research Center in Peenemunde.
Answer : 20 June 1944
A:
What is the date when MW 18014 happened?