January 27, 2017
Executive Order 13769, signed January 27, 2017, banned entry for citizens of Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen for 90 days
Over 700 travelers detained at airports within 24 hours, up to 60,000 visas provisionally revoked by State Department
Washington AG 
Bob Ferguson filed lawsuit January 30, 2017; Judge James Robart issued nationwide restraining order February 3
Judge Derrick Watson (Hawaii) blocked second travel ban March 15, 2017, citing Trump's own statements as evidence of anti-Muslim animus
Supreme Court upheld third ban 5-4 in Trump v. Hawaii (June 26, 2018) using rational basis review
Order cut 2017 refugee admissions from Obama's 110,000 target to 50,000 cap, indefinitely suspended Syrian refugees
Justice Sotomayor dissent compared ruling to Korematsu internment case: 'redeploys the same dangerous logic'
ACLU filed Darweesh v. Trump within hours of ban; federal court granted nationwide injunction by evening of January 28
People, bills, and sources
Bob Ferguson
Washington State Attorney General
Judge James Robart
U.S. District Judge, Western District of Washington
Judge Derrick Watson
U.S. District Judge, District of Hawaii
Chief Justice John Roberts
U.S. Supreme Court Chief Justice
Justice Sonia Sotomayor
U.S. Supreme Court Associate Justice
Hameed Khalid Darweesh
Iraqi interpreter for U.S. military, lead plaintiff in ACLU lawsuit
ACLU Legal Team
Civil rights litigators, filed Darweesh v. Trump
Donald Trump
President of the United States (2017-2021)