ok so I dont know the first one, but sand creek massacre happend on 1864 Novermber 29th, basically a group called the Colorado Volunteers surrounded the Natives at Sand creek, massacring them all, killed about 400 people, most scalped.
Massacre at wounded knee: happend on the Lakota Pine Ridge Indian Reservation, December 29th, 1890. The 7th Calvary Regiment surrounded the Indians once more massacring 150-300 Lakots were dead. 25 soilders died, and 39 wounded.
The Organic Act established territorial government for Oklahoma
Only registered democrats would be able to vote in an open primary election to choose a candidate for the senate, although it should be noted that there are exceptions.
The Early Imperial Roman writers consistently rated Myron among the greatest of Greek sculptors, a sign that his contemporaneous reputation had remained high. The heifer seems to have earned its fame mainly by serving as a peg on which to hang epigrams, which tell nothing about the pose of the animal.