1882 - Chinese Exclusion Act
1921 - Emergency Quota Act
1942 - Barcero Program
1945 - Charter ratified United Nations
1952 - Immigration & Nationality Act PL 82-414
1953 - Refugee Relief Act PL 83-203
1962 - Migration and Refugee Assistance Act PL
1965 - Immigration & Nationality Act Amendments PL 89-236
1974 - Trade Act PL 93-618
1980 - Refugee Act
1982 - Plyler v. Doe
1986 - Comprehensive Anti-Apartheid Act PL 99-440
1986 - Immigration Reform and Control Act PL 99-603
1990 - Immigration Act of 1990 PL 101-649
1992 - S. Con. Res. 132/H. Con. Res. 352 Somalia peacekeeping force
1994 - California Proposition 187
1999 - Emergency Supplemental Appropriations Act - (Kosovo operations) PL 106-31
2001 - US Patriot Act
2001 - AB 540 (California Non-Resident Tuition)
2011 - HB 56 (Alabama Beason-Hammon Alabama Taxpayer and Citizen Protection Act)
2013 - SB 1070 (Arizona Show Your Papers)
2013 - Deferred Action for Childhood Arrivals (DACA)
2015 - Expanded Deferred Action for Childhood Arrivals (DAPA)