Sikhism in the United States
Sikhism is a religion originating from India which was introduced into the United States during the 19th century. Many Sikhs have contributed to the American economy, military, and lifestyle. In 2007, there were estimated to be approximately 250,000 Sikhs living in the United States, with largest populations living on the East and West Coasts with additional populations in Detroit, Austin, Texas, and Chicago.
The United States also has a number of non-Punjabi converts to Sikhism.
Military service 
Sikhs have served in the United States military at least as far back as the early 20th century, when one Bhagat Singh Thind, who though not a citizen joined the United States Army and served in World War I. Thind requested citizenship at the end of the war, being granted and revoked twice, before finally being naturalized in 1936. Far larger numbers of Sikhs served in World War II, and all American wars following.
The ability of observant Sikhs to serve in the American military has, since 1985, been compromised by a discontinuation of exemptions to uniform standards which previously allowed Sikhs to maintain their religiously-mandated beards and turbans while in uniform. Currently, a Sikh doctor, Kamaljeet S. Kalsi, and dentist, Tejdeep Singh Rattan, are the only Sikh officers to be permitted to serve in uniform with beard and turban. In addition, Simranpreet Lamba was permitted to enlist, with exemption to wear his turban and beard, in 2010 due to his knowledge of Punjabi and Hindi.
Most Sikhs started life in America working in lumber mills, mines, and as farm laborers, with many eventually becoming landowners. In 1956, Dalip Singh Saund became the first East Indian-born person to be elected to the United States House of Representatives.
Elected officials 
- Amarjit Singh Buttar was elected in December 2001 to the Vernon, Connecticut Board of Education and won re-election in 2011.
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The most concentrated Sikh community in the United States has traditionally resided in agricultural Yuba City, California, although this agglomeration has since dispersed as Sikhs have gained a greater educational foundation, enabling them to have now spread out to metropolitan areas all over the United States. The large and rapidly growing Sikh community in New York City is based in the borough of Queens; the majority consist of more recent emigres from India and Canada. Conversely, in the Sikh Foundation of Virginia, most members comprise both recent and more established Jatt Sikhs, Ramgarhia Ramgarhia Sikhs, and Sikh Rajputs. Most Sikhs of Española, New Mexico are non-Punjabi converts to Sikhism and they adhere very strictly to their faith. In the wake of the September 11, 2001 attacks, there was an upsurge in anti-Sikh discrimination across the United States, including a number of incidents that involved physical attacks on Sikh individuals who were wearing turbans.
First immigrants 
Sikhs have been a part of the American populace for more than 130 years. Around the start of the 19th century, the state of Punjab of British India was hit hard by British practices of mercantilism. Many Sikhs emigrated to the United States and began arriving to work on farms in California. They traveled via Hong Kong to Angel Island, California, the western counterpart to Ellis Island in New York Harbor.
"Some Sikhs worked in lumber mills of Oregon or in railroad construction and for some Sikhs it was on a railway line, which allowed other Sikhs who were working as migrant laborers to come into the town on festival days."[unreliable source?]
A big effect on Sikh migration to the western states occurred during World War I and World War II, where Sikhs were recruited by the British Army to serve for them. Sikhs fought bravely during these wars and began to live in England after their serving period. Among the Sikhs who already lived in America prior to the wars, many Sikhs joined them, mainly during World Wars I and II. Among those who served in the US military include Bhagat Singh Thind in World War I.
After the September 11, 2001 attacks 
As a result of September 11, some Sikh Americans have become subject to discrimination, often from individuals who mistakenly believe that they are Arab or Muslim. Balbir Singh Sodhi, a gas station owner, was killed on September 15, 2001 due to being mistaken for a Muslim. In a 2011 report to the United States Senate, the Southern Poverty Law Center reported several assaults and incidents of arson at Sikh temples after September 11. All were labeled as hate crimes that resulted from the perpetrators' misconceptions that their targets were Muslim. A 2007 survey of Sikh students by the Sikh Coalition found that three out of four male students interviewed "had been teased or harassed on account of their religious identity." In August 2012, a Sikh temple in Oak Creek, Wisconsin was the site of a shooting, leading to multiple Sikh individuals being killed.. On May 7, 2013 an elderly Sikh man (Piara Singh, 82) was attacked using an iron bar in Fresno, California and this crime is being treated as a possible hate crime.
In the 1960s, due to increased Indian immigration and rising interest in Indian spirituality in the American counterculture, a number of non-Punjabi Americans began to enter Sikhism. Prominent in this trend was Yogi Bhajan, leader of the Sikh-related movement 3HO (Healthy, Happy, Holy Organization), whose Los Angeles temple was the first to initiate non-Punjabi Americans into Sikhism.
Some non-Punjabi Sikhs practice a form of gender egalitarianism putting them at odds with traditional Sikh practices. These may include allowing women to take ceremonial roles usually filled by men, or interpreting the rahit as requiring women to wear the turban as well, rather than the scarf commonly worn by South Asian-descent Sikh women.
Notable Sikh Americans 
- Kashmir Gill
- Nikki Haley, who later converted to Christianity
- Bhagat Singh Thind
- Dalip Singh Saund
- Preet Bharara
- Harry Sidhu
- G. B. Singh
- Gurbaksh Chahal
- Harpreet Sandhu
- Narinder Singh Kapany
- Jasbir Singh Kang
See also 
- Buddhists, Hindus and Sikhs in America: A Short History, p. 120. Books.google.com. Retrieved 2012-08-10.
- Dawinder S. Sidhu, Neha Singh Gohil. Civil rights in wartime: the post-9/11 Sikh experience. Ashgate Publishing, Ltd., 2009. ISBN 0-7546-7553-X, 9780754675532. Pg 137
- "Beard Ban Deters Chabad Rabbis From Becoming Chaplains in Army". 27 August 2005. Retrieved 25 October 2009.
- Michelle Roberts. "1st Sikh in Decades Graduates Army Officer School, Page 1". ABC News. Retrieved 2010-03-22.
- Susanne Kappler (10 November 2010). "Keeping faith: Sikh Soldier graduates basic training". Fort Jackson Leader. United States Army. Retrieved 26 December 2011.
- "Sikh city planner becomes Charlottesville mayor | Richmond Times-Dispatch". .timesdispatch.com. Retrieved 2012-08-07.
- Tanjua, Damon (November 23, 2011). "School Board Members Make It Official". Vernon Patch. Retrieved August 9, 2012.
- Dewan, Shaila & Brown, Robbie (June 13, 2010), "All Her Life, Nikki Haley Was the Different One", The New York Times, retrieved August 9, 2012
- Investigating Anti-Sikh Discrimination in a Post 9/11 World
- The Pioneers, America, "A historical perspective of Americans of Asian Indian origin 1790-1997" 31 October 2006
- Sikhism in North America, America, "Sikhs in North America" 31 October 2006
- "Anti-Muslim Incidents Since Sept. 11, 2001". Southern Poverty Law Center. March 29, 2011. Retrieved January 12, 2012.
- Sidhu, Darwinder S.; Neha Singh Gohil (2009). Civil Rights in Wartime: The Post-9/11 Sikh Experience. Ashgate Publishing. p. 72. ISBN 978-0-7546-7553-2.
- Matt Pearce; Brian Bennett (5 August 2012). "Gunman's tattoos lead officials to deem Sikh shooting terrorism". Los Angeles Times. Retrieved 5 August 2012.
- SF Gate (7 May 2013). "Fresno police: Sikh beating a possible hate crime". SF Gate. Retrieved 8 May 2013.