Fort Elizabeth Meagher, named for the wife of Thomas F. Meagher, secretary and former acting governor of the Montana Territory

Montana Territory

The Territory of Montana was an organized incorporated territory of the United States that existed from May 28, 1864, until November 8, 1889, when it was admitted to the Union as the State of Montana.-History:...

, was established in May, 1867 eight miles east of the town of Bozeman, Montana

Bozeman, Montana

Bozeman is a city in and the county seat of Gallatin County, Montana, United States, in the southwestern part of the state. The 2010 census put Bozeman's population at 37,280 making it the fourth largest city in the state. It is the principal city of the Bozeman micropolitan area, which consists...

 at the mouth of Rocky Creek by Brigadier General Thomas Thoroughman and Colonel Walter W. De Lacy of the Montana volunteer militia. The post's mission was to provide settlers protection against hostile Crow

Crow

Crows form the genus Corvus in the family Corvidae. Ranging in size from the relatively small pigeon-size jackdaws to the Common Raven of the Holarctic region and Thick-billed Raven of the highlands of Ethiopia, the 40 or so members of this genus occur on all temperate continents and several...

 and Sioux

Sioux

The Sioux are Native American and First Nations people in North America. The term can refer to any ethnic group within the Great Sioux Nation or any of the nation's many language dialects...

 Native Americans

Indigenous peoples of the Americas

The indigenous peoples of the Americas are the pre-Columbian inhabitants of North and South America, their descendants and other ethnic groups who are identified with those peoples. Indigenous peoples are known in Canada as Aboriginal peoples, and in the United States as Native Americans...

 who were expected to invade the area following the murder of John Bozeman in April, 1867. The main post stockade

Stockade

A stockade is an enclosure of palisades and tall walls made of logs placed side by side vertically with the tops sharpened to provide security.-Stockade as a security fence:...

, and a picket-post erected on the approaches to Bridger Pass, were designed to block the passes through the mountains into the valley. The post was abandoned in August 1867 when nearby Fort Ellis

Fort Ellis

Fort Ellis was an early United States Army outpost established August 27, 1867 to the eastern side of present-day Bozeman, Montana. The fort was established to protect and support settlers moving into the Gallatin Valley. The post was named for Civil War Colonel Augustus van Horne Ellis who was...

was built.