2010:
Jan. 13 — Sen. Russell Pearce formally introduces legislation
Feb. 15 — Senate approves wide-ranging measure aimed at illegal immigrants.
April 18 — Attorney General Terry Goddard calls measure “troubling’’ and warns of civil rights problems.
April 19 — Measure gets final legislative approval, goes to Gov. Jan Brewer.
April 23 — Brewer signs bill.
April 29 — Lawmakers agree to scale back law, ban questioning based solely on race.
May 5 — Rev. Al Sharpton leads Phoenix march against legislation.
May 14 — Brewer seeks to repair tourism image in wake of boycott calls.
May 19 — New video unveiled to train police on how to legally enforce law.
May 26 — Brewer starts fund to seek donations to defend the law.
May 29 — Governor kicks Goddard off SB 1070 defense team.
May 31 — Musicians announce Arizona boycott.
June 3 — Brewer meets with Obama at White House.
June 23 — Mexican government files amicus brief asking federal court to strike down law.
July 6 — Obama administration sues to overturn law.
July 21 — 81 members of Congress back Arizona in legal fight.
July 22 — Judge Susan Bolton hears legal arguments.
July 28 — Bolton enjoins enforcement of several key sections.
Aug. 26 — State asks 9th Circuit to lift injunction.
Sept. 22 — Ninth Circuit won’t let Pearce intervene in defending law he crafted.
Nov. 1 — Appellate court hears arguments in San Francisco.
Nov. 2 — Brewer coasts to election victory, bolstered by SB 1070.
2011:
Feb. 10 — State countersues feds for failing to secure the border.
April 11 — Ninth Circuit won’t let state start enforcing law.
June 6 — Brewer hires former U.S. solicitor general to argue SB 1070 to Supreme Court.
July 28 — Bolton rejects state counterclaim.
Aug. 10 — Arizona petitions Supreme Court to lift injunction.
Oct. 8 — Brewer establishes federal PAC to raise money for supportive federal candidates.
Nov. 1 — Brewer publishes “Scorpions for Breakfast” about fights with Obama administration.
Nov. 8 — Recall ousts Pearce.
Dec. 12 — Supreme Court agrees to review Arizona bid to enforce SB 1070.
2012:
April 24 — U.S. Senate panel has hearing on SB 1070.
April 25 — Supreme Court hears legal arguments.
June 12 — Anticipating victory, Brewer orders update of SB 1070 enforcement guidelines for police.
June 14 — Arizona ACLU warns against premature enforcement of law.
June 25 — Supreme Court decision
