What day of the week was December 15, 1890?

The day of the week December 15th, 1890 fell on was a Monday.

There were 10 days until Christmas.

Sitting Bull the American tribal chief (b. 1831) died on this day in 1890.

Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation the leading to the Wounded Knee Massacre.