context: The vessel was ordered in October 1935 from J. Samuel White and Company in Cowes as part of the 1935 Fleet Program. The ship's keel was laid on January 29, 1936 and launched on March 1, 1937. It was completed on January 29, 1938, at a cost of £ 258965 excluding weapons and messaging systems supplied by the Amirality. [1]
question: When was HMS Impulsive built?
answers.text: on January 29, 1938