Question: When was the gettysburg national military park established?
qaPairs: question: When was the gettysburg national military park established with initial protection?
answer: 1863
question: When was the gettysburg national military park established with GBMA protection?
answer: 1864
question: When was the gettysburg national military park established with federal protection?
answer: 1893
question: When was the gettysburg national military park established with a national park designation?
answer: 1895
question: When was the gettysburg national military park added to NRHP?
answer: October 15, 1966