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The Supreme Court ruled that even in the absence of any federal legislation, state governments could not regulate immigration." http://immigration.procon.org/view.timeline.php?timelineID=000023
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Congress offered to sell public lands at a very low price to attract people to the Midwest and West. Most came from the East and Europe and this law was very effective..The offer greatly increased the numbers of people migrating westward." http://immigration.procon.org/view.timeline.php?timelineID=000023
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Between 1892 and 1954, over twelve million immigrants entered the United States through the portal of Ellis Island, a small island in New York Harbor. http://immigration.procon.org/view.timeline.php?timelineID=000023
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Congress passed an act that expanded the existing Immigration Bureau to the Bureau of Immigration and Naturalization and put it in charge of ‘all matters concerning the naturalization of aliens http://immigration.procon.org/view.timeline.php?timelineID=000023
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The result of the Mexican Revolution drove thousands of Mexicans north. Beyond physical proximity, the United States offered jobs — in industry, in mines, on railroads, and in agriculture — and all at wage levels far higher than those in Mexico. http://immigration.procon.org/view.timeline.php?timelineID=000023
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This law limited the number of immigrants who could enter this country from Europe, Australia, Africa, New Zealand, Asiatic Turkey, Persia, to 3 percent of the number of foreign-born of such nationalities residing here when the 1910 census was taken. http://immigration.procon.org/view.timeline.php?timelineID=000023
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Congress passed the Labor Appropriation Act of 1924, officially establishing the U.S. Border Patrol for the purpose of securing the borders between inspection stations http://immigration.procon.org/view.timeline.php?timelineID=000023
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US Labor Secretary Estimates That over 1,000,000 Mexicans Are in United States Illegally
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Thus began the era of undocumented migration by 'irregular' migrants who worked temporarily under the threat of deportation... http://immigration.procon.org/view.timeline.php?timelineID=000023
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Census Estimates 2 to 4 Million Immigrants in the United States Illegally with about Half from Mexico http://immigration.procon.org/view.timeline.php?timelineID=000023
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US Immigration and Naturalization Service developed the first detailed national estimates of the unauthorized immigrant population residing in the United States
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A U.S. District Court judge has declared most of California's Proposition 187 unconstitutional... Approved by voters in 1994, the proposition would have denied health care, education and welfare benefits to illegal immigrants. http://immigration.procon.org/view.timeline.php?timelineID=000023
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The Act authorizes the construction of [700] hundreds of miles of double-layered fencing along the nation's Southern border. It also directs the Secretary of Homeland Security to take action to stop the unlawful entry of undocumented immigrants, terrorists, and contraband into the U.S. using both personnel and surveillance technology
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Controversial Arizona Bill (SB 1070) Signed into Law, Expanding the State's Authority to Combat Illegal Immigration http://immigration.procon.org/view.timeline.php?timelineID=000023
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...[Judge Bolton] blocked a requirement that police check the immigration status of people stopped for such routine infractions as traffic violations, if police suspect they are in the U.S. illegally... [and] a section that required law enforcement to detain individuals until their legal status was clarified... She also blocked a section that required foreigners to carry documents proving they had permission to be in the U.S., and another provision that banned illegal immigrants from seeking wo
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US Department of Homeland Security Estimates 11.8 Million Unauthorized Immigrants in US with 59% from Mexico http://immigration.procon.org/view.timeline.php?timelineID=000023
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US Supreme Court Upholds Arizona Law Penalizing Businesses That Hire Undocumented Immigrants http://immigration.procon.org/view.timeline.php?timelineID=000023
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The provision requires state law enforcement officials to determine the immigration status of anyone they stop or arrest if they have reason to suspect that the individual might be in the country illegally. http://immigration.procon.org/view.timeline.php?timelineID=000023
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With 11 million undocumented immigrants in the United States, Obama's plan would let some 4.4 million who are parents of U.S. citizens and legal permanent residents remain in the country temporarily, without the threat of deportation.
Those undocumented residents could apply legally for jobs and join American society, but not vote or qualify for insurance under the president's healthcare law. The measure would apply to those who have been in the United States for at least five years.