
The English-only movement, also known as the Official English movement, is a political movement that advocates for the use of only the English language in official United States government operations through the establishment of English as the only official language in the US. The US has never had a legal policy proclaiming an official national language. However, at some times and places, there have been various moves to promote or require the use of English, such as in Native American boarding schools.

The Babel Proclamation was issued by Iowa's Governor William L. Harding on May 23, 1918. It forbade the speaking of any language besides English in public. The proclamation was controversial, supported by many established English-speaking Iowans and notably opposed by citizens who spoke languages other than English. Harding repealed it on December 4, 1918. The Babel Proclamation marked the peak of a wave of anti-German sentiment in Iowa.

Samuel Ichiye Hayakawa was a Canadian-born American academic and politician of Japanese ancestry. A professor of English, he served as president of San Francisco State University and then as U.S. Senator from California from 1977 to 1983.

ProEnglish is an American nonprofit lobbying organization that is part of the English-only movement. The group supports making English the only official language of the United States. The group has also campaigned against immigration reform and bilingual education.

Michael Alan Weiner, known by his professional name Michael Savage, is an American conservative author, political commentator, activist, and former radio host. He was the host of The Savage Nation, a nationally syndicated talk show that aired on Talk Radio Network across the United States until 2021, and in 2009 was the second most listened-to radio talk show in the country with an audience of over 20 million listeners on 400 stations across the United States. From October 23, 2012 to January 1, 2021, Michael Savage had been syndicated by Cumulus Media and Westwood One. He holds master's degrees from the University of Hawaii in medical botany and medical anthropology, and a Ph.D. from the University of California, Berkeley in nutritional ethnomedicine. As Michael Weiner, he has written books on nutrition, herbal medicine, and homeopathy; as Michael Savage, he has written several political books that have reached The New York Times Best Seller list.

James Rodney Schlesinger was an American economist and public servant who was best known for serving as Secretary of Defense from 1973 to 1975 under Presidents Richard Nixon and Gerald Ford. Prior to becoming Secretary of Defense, he served as Chair of the Atomic Energy Commission (AEC) from 1971 to 1973, and as CIA Director for a few months in 1973. He became America's first Secretary of Energy under Jimmy Carter in 1977, serving until 1979.

John Hamilton Tanton was an American ophthalmologist, white nationalist and anti-immigration activist. He was the founder and first chairman of the Federation for American Immigration Reform (FAIR), an anti-immigration organization. He was the co-founder of the Center for Immigration Studies, an anti-immigration think tank; and NumbersUSA, an anti-immigration lobbying group. He was chairman of U.S. English and ProEnglish. He was the founder of The Social Contract Press, which published a quarterly journal of nativist and white nationalist writers called The Social Contract until Fall 2019. He founded the pro-eugenics organization Society for Genetic Education.
U.S. English is the umbrella name for two political advocacy groups founded in 1983 by former United States Senator S. I. Hayakawa to advocate the adoption of U.S. English as the official language of the United States.