Montana Historical Society
225 North Roberts
Helena, Lewis and Clark County, Montana
The Montana Historical Society acts to preserve historical resources important to the understanding of Montana history. Founded in 1865, it is one of the oldest such institutions in the Western United States.
The society is the second oldest state historical society west of the Mississippi River.
Originally located in Virginia City, it was moved to Helena in 1874 after a disputed election approved Helena as the territory's new capital. In 1902, it was located in the basement of the new Montana State Capitol building. It is now in the Veterans and Pioneers Memorial Building.
The archives collections include manuscripts from the early 1860s to the present, in addition to a large number of oral histories, mostly from the 20th and 21st centuries. The archives has served as the legal repository, or state archives, for Montana state and local government since 1969, and therefore includes a great number of government records.
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