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 -- 9th 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 -- 9th 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
