The Chief dubbed the red-haired Meusebach “El Sol Colorado” (Red Sun) and promised to summon the chiefs of the western bands of Comanche (Buffalo Hump, Santa Anna, Old Owl) to a peace council on the San Saba River at the next full moon.
On May 9, 1847, the treaty between the German Immigration Society and the Comanche nation was signed in Fredericksburg by 6 Comanche chiefs, Meusebach and 7 others. The Meusebach-Comanche Treaty was unique: The US government had no part in it; Despite a few infringements, the agreement is one of the few pacts with Native Americans that was never broken.
The original treaty document was eventually returned to Texas from Germany in 1970 by Mrs. Irene Marschall King, the granddaughter of John Meusebach. The document was presented to the Texas State Library in 1972, where it remains on display. Previously, in 1936, a Recorded Texas Historic Landmark, Marker number 991, was placed in San Saba County to commemorate the signing of the treaty and which was officially recognized by the United States government.