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Registration for the 2020 Gilder Lehrman Teacher Seminars is now open! New this year is the Teacher Seminar Summit at Gettysburg College, July 19–22, 2020. During this inaugural Summit the Institute will offer twelve concurrent...

The Gilder Lehrman Institute of American History recently acquired a letter from President Harry Truman to Dr. Channing Frothingham of Boston. In this letter, written in 1951, the President thanked Channing for his support of Truman’s...

The United States has the oldest written national framework of government in the world. The US Constitution is a dynamic document that has inspired debate since its inception, has been used to justify and later correct deplorable...