Original sentence: He received the Presidential Medal of Freedom at a White House ceremony on November 9, 2005, and the "Otto Hahn peace medal in Gold" of the United Nations Association of Germany (DGVN) in Berlin for his work with the US civil rights movement and the United Nations (December 17 2005)
Edited sentence: He received the Presidential Medal of Freedom at a White House ceremony on November 9, 2005, and the prestigious "Otto Hahn peace medal in Gold" of the United Nations Association of Germany (DGVN) in Berlin for his work with the US civil rights movement and the United Nations (December 17 2005)