Events

• September 4 - Google is awarded , for the PageRank search algorithm used in the Google search engine
• September 5 - Peru's attorney general files homicide charges against ex-President Alberto Fujimori
• September 6 - United States v. Microsoft: The United States Justice Department announces that it was no longer seeking to break-up software maker Microsoft and will instead seek a lesser antitrust penalty
• September 8 - One billion seconds since the Unix Epoch. (January 1st, 1970 UTC)
• September 9 - Michael Jackson performs 30th anniversary (of his career) concert.
• September 9 - Ahmed Shah Massoud, leader of the Afghan Northern Alliance, is assassinated in Afghanistan
• September 9 - The Country Bears concert known as the Country Bear Jamboree closed its doors in Disneyland for the last time. The show continues in Walt Disney World and Tokyo Disneyland.
• September 10 - Norwegian parliamentary election, 2001.
• September 11 - September 11^th attacks in New York City, The Pentagon, and in Pennsylvania, killing 3,017.
• September 14 - The Nintendo GameCube is released in Japan.
• September 15 - The Queen Isabella Causeway in Texas collapses after being hit by a tugboat, killing 8.
• September 17 - The New York Stock Exchange reopens following the terrorist attacks in New York.
• September 17 - The default date used by git format patch for email output.
• September 18 - The 2001 anthrax attacks commence as anthrax letters are mailed from Hamilton Township, Mercer County, New Jersey to ABC News, CBS News, NBC News, the New York Post, and the National Enquirer.
• September 20 - Address of President Bush to a joint session of Congress: Freedom at War with Fear.

Films

• September 14 - Hardball starring Keanu Reeves
• September 28 - Don't Say a Word starring Michael Douglas, Zoolander starring Ben Stiller