What happened at the sand creek massacre?

a massacre of Cheyenne and Arapaho people by the U.S. Army in the American Indian Wars that occurred on November 29, 1864.

Cheyenne tribe once put into reservation by U.S. Army, Army opened fire on the Natives, 150 died.

Explanation:

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation: