Question: When did louisiana become a part of the united states?
Answer: 20 December 1803
Disambiguated annotations:
qaPairs: question: When did The Louisiana Purchase become part of the United States?
answer: July 4 1803
question: When did Louisiana join the Union?
answer: April 30, 1812
qaPairs: question: When did the territory of Louisiana become a part of the United States?
answer: July 4, 1803
question: When did the state of Louisiana become a part of the United States?
answer: April 30, 1812