1986: Omar Khadr is born in Toronto.

1986-1995: Mr. Khadr lives with his family in Pakistan.

1996: The Khadrs briefly return to Canada, but return to Pakistan, and then go to Jalalabad, Afghanistan, to live on Osama bin Laden's compound.

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1999: The Khadr family moves to Kabul.

Summer, 2002: Mr. Khadr attends an al-Qaeda camp in Afghanistan and receives weapons training.

July 27, 2002: Mr. Khadr is seriously wounded in a firefight with U.S. troops in Afghanistan and taken into custody at Bagram Air Base, where he is treated for his injuries and interrogated.

Oct. 7, 2002: A two-week interrogation of Mr. Khadr begins.

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Late October, 2002: Mr. Khadr is transferred to detention at Guantanamo Bay, Cuba.

April 23, 2009: Federal Court Judge James O'Reilly orders the government to seek Mr. Khadr's return, finding it has failed to ensure that his treatment complied with international human rights norms.

Aug. 14, 2009: The Federal Court of Appeal upholds Judge O'Reilly's ruling by a 2-1 margin.

Jan. 29, 2010: The Supreme Court of Canada rules that Canada has violated Mr. Khadr's Charter rights by participating in illegal interrogation methods, including sleep deprivation. But it says the federal government must be given a chance to rectify Mr. Khadr's plight.