December 19, 1998 - The full House approves two of the four articles (perjury and obstruction of justice). Clinton becomes the second president in U.S. history to be impeached.
January 7, 1999 - Senate trial on perjury and obstruction of justice charges begins.
February 12, 1999 - Senate trial ends with an acquittal. The vote on the perjury charge is 55 to 45 and the obstruction of justice charge is split 50-50. A two-thirds majority, or 67 votes, was required for conviction.
September 20, 2000 - After six years, Independent counsel Robert Ray closes the Whitewater investigation, clearing the Clintons of any wrongdoing.
January 19, 2001 - The day before leaving office, Clinton agrees to give up his Arkansas law license for five years, and to pay a $25,000 fine to the state bar association, ending efforts by the Arkansas Supreme Court Committee on Professional Conduct to disbar him.
January 20, 2001 - Hours before leaving office, Clinton pardons 141 people, including Whitewater figure Susan McDougal and publishing heiress Patty Hearst. The most controversial pardon is that of financier Marc Rich, who had been a fugitive in Switzerland. The president also pardons his brother, Roger Clinton, who had been convicted on a cocaine charge in the 1980s.
July 30, 2001 - Formally opens his post-presidential office in the predominantly black Harlem district of New York City.
June 22, 2004 - Clinton's 957-page memoir, "My Life," is published.
July 27, 2004 - Clinton is the keynote speaker on the first night of the Democratic National Convention in Boston.
November 18, 2004 - The William J. Clinton Presidential Center and Park opens in Little Rock, Arkansas.
December 7, 2004 - Nominated for a Grammy in the Best Spoken Word Album category for "My Life."
January 3, 2005 - President Bush appoints former Presidents Bush and Clinton to head fundraising efforts for tsunami humanitarian aid.
February 1, 2005 - U.N. Secretary General Kofi Annan appoints Clinton as to be the U.N. envoy for tsunami reconstruction.
February 2005 - Clinton and former President George H.W. Bush travel to Asia to visit the areas hit by the tsunami.
September 5, 2005 - Former President Bush and Clinton announce the formation of the Bush-Clinton Katrina Fund, to assist victims of Hurricane Katrina.
July 12, 2006 - Clinton and Bill Gates travel to Lesotho to visit an HIV/AIDS clinic supported by the William J. Clinton Foundation. It is the fifth time Clinton has been to Africa to promote AIDS awareness since 2001.
September 4, 2007 - Clinton's book, "Giving," is published. In it, he gives examples of how the generosity of everyday people can positively impact the world.
August 27, 2008 - Clinton gives a speech at the 2008 Democratic National Convention supporting Barack Obama for president.
May 19, 2009 - Clinton is appointed U.N. Special Envoy for Haiti.
August 4, 2009 - Clinton goes to North Korea, meets with North Korean leader Kim Jong Il and secures a pardon and release of U.S. journalists Euna Lee and Laura Ling.