Short answers, pulled from the story.
Stand Watie was the only Native American to reach a general officer's rank in the Confederate Army, appointed brigadier general on the 10th of May 1864 with a date of rank of the 6th of May. He led the First Indian Brigade of the Army of the Trans-Mississippi, made up mostly of Cherokee, Muskogee, and Seminole troops.
Stand Watie signed a cease-fire agreement with Union representatives at Doaksville in the Choctaw Nation on the 23rd of June 1865 on behalf of his command. He was the last Confederate States Army general anywhere to give up the fight.
After Stand Watie signed the Treaty of New Echota in 1835, the Cherokee national government sentenced him, his brother Elias Boudinot, their uncle Major Ridge, and cousin John Ridge to death on the 22nd of June 1839. Watie was the only one of the men marked for execution who survived.
Stand Watie died on the 9th of September 1871 at Honey Creek, in the Cherokee Nation. He was buried in the old Ridge Cemetery, later called Polson's Cemetery, in what is now Delaware County, Oklahoma.
Stand Watie married Sarah Bell on the 18th of September 1842, and the couple had three sons, Saladin, Solon, and Cumiska, and two daughters, Minnee and Jacqueline. Saladin died in 1868, Solon died the following year, and both daughters died not long after their father.
A 1921 monument to Stand Watie and a 1913 monument to Confederate soldiers were removed from the Cherokee Capitol grounds in Tahlequah on the 13th of June 2020, following the George Floyd protests. Cherokee Nation Chief Chuck Hoskin Jr. said the Daughters of the Confederacy, not the Cherokee Nation, had commissioned and erected the monuments.