By 1873, Captain Jack's campaign against United States' forces was global news, making headlines across the country, England and Germany.
The Modoc chief started the war in 1872, after the U.S. government forced three Native American tribes to live together on one reservation.
Captain Jack, the Army's name for him, led his tribe off the reservation; the Fort Klamath cavalry was ordered to bring them back, resulting in the Modoc War.
"Captain Jack had become a pretty notorious figure in the national media, and the world," said Todd Kepple, manager of the Klamath County museums. "Any relic that had any connection to Captain Jack was valuable."
The evening before the chief was to be hanged, Army personnel had him sign his "X" to a piece of paper that reads, "Signature of the Modoc chief the evening before his execution."
While the small piece of lined notebook paper has a small embossed shield in the upper left corner and carries the letterhead "Headquarters District of the Lakes," it likely wasn't official, Kepple said.
"It was probably created as a souvenir," he said. "We're told pieces of his hair were cut off and auctioned off. ... And pieces of the rope he was hanged with (too)."
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