The Mara Salvatrucha gang originated in Los Angeles, set up in the 1980s by Salvadoran immigrants in the city's Pico-Union neighborhood who immigrated to the United States after the Central American civil wars of the 1980s.
Definition. The Sierra Club is the oldest grassroots environmental organization in the United States. The organization was founded in 1872 by a San Francisco group of professors, businessmen, and other professionals led by John Muir (Cohen 1985, 10).
For the Canadian counterpart see, see Elks of Canada. For other uses, see Elks (disambiguation). The Benevolent and Protective Order of Elks (BPOE; also often known as the Elks Lodge or simply The Elks) is an American fraternal order founded by Charles A. Vivian in 1868 originally as a social club in New York City.