Question: Mary Young Pickersgill was the creator of the flag that flew during the battle in which the US and British forces met at what location?
Sentence (from "Mary Young Pickersgill"): The daughter of another noted flag maker, Rebecca Young, Pickersgill learned her craft from her mother, and, in 1813, was commissioned by Major George Armistead to make a flag for Baltimore's Fort McHenry that was so large that the British would have no difficulty seeing it from a great distance.
Relevant evidence: No