Major Events of September 2001: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from September 2001 and discover how they influenced the world both then and now.

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Major Events of September 2001: Key Historical Moments from the Month


  • 03 Sep 2001 Sectarian tensions escalate at Holy Cross School in Belfast: On September 3, 2001, loyalist protesters resumed picketing outside Holy Cross Girls' Primary School in Belfast, Northern Ireland, attempting to block Catholic children and their parents from entering the school. The protests led to verbal and physical abuse, with stones and bottles thrown at the children and parents, and threats issued by loyalist paramilitary groups. source: en.wikipedia.org
  • 04 Sep 2001 Google files patent for PageRank algorithm: On September 4, 2001, Google filed a patent for its PageRank algorithm, a system that ranks web pages based on their importance and relevance. This algorithm became a foundational component of Google's search engine, revolutionizing the way information is indexed and retrieved on the internet. source: nytimes.com
  • 06 Sep 2001 Assassination of Ahmad Shah Massoud: Ahmad Shah Massoud, a prominent Afghan military leader and key figure in the resistance against the Taliban, was assassinated on September 6, 2001. His death was a significant event in the context of the Afghan conflict and had implications for the political landscape in Afghanistan. source: bbc.com
  • 07 Sep 2001 Chevron-Texaco merger approved: On September 7, 2001, the merger between Chevron and Texaco was officially approved, creating one of the largest oil companies in the world. This merger had significant implications for the energy sector and corporate landscape. source: reuters.com
  • 08 Sep 2001 World Conference against Racism in Durban: The World Conference against Racism took place in Durban, South Africa, from September 8 to 12, 2001. This conference aimed to address issues of racism, discrimination, and xenophobia on a global scale. source: un.org
  • 09 Sep 2001 Parnu methanol disaster: The Parnu methanol disaster occurred on September 9, 2001, in Estonia, when a methanol poisoning incident led to multiple fatalities. This tragedy raised awareness about the dangers of methanol consumption and safety regulations. source: bbc.com
  • 10 Sep 2001 Norwegian parliamentary election: On September 9–10, 2001, Norway held parliamentary elections. The Labour Party, led by Jens Stoltenberg, secured 43 seats with 24.29% of the vote. The Conservative Party, led by Jan Petersen, won 38 seats with 21.21%. Despite leading in seats, the Labour Party was unable to form a government, leading to the formation of a center-right coalition government led by Prime Minister Kjell Magne Bondevik of the Christian Democratic Party. source: en.wikipedia.org
  • 11 Sep 2001 9/11 Terrorist Attacks: On September 11, 2001, a series of coordinated terrorist attacks were carried out by the extremist group al-Qaeda against the United States, resulting in nearly 3,000 deaths and significant global repercussions. source: en.wikipedia.org
  • 13 Sep 2001 FAA issues ground stop following 9/11 attacks: On September 13, 2001, the FAA implemented a ground stop for all commercial flights in response to the September 11 terrorist attacks. This was a critical measure to ensure the safety of air travel as the nation reevaluated its security protocols. source: faa.gov
  • 14 Sep 2001 President Bush visits Ground Zero after 9/11: On September 14, 2001, President George W. Bush visited Ground Zero in New York City, addressing rescue workers and the public. His visit was a symbol of national resilience in the aftermath of the September 11 attacks. source: whitehouse.gov
  • 15 Sep 2001 President Bush declares war on terror: On September 15, 2001, President George W. Bush declared a 'war on terror' in response to the September 11 attacks. This declaration set the stage for U.S. military actions in Afghanistan and a broader anti-terrorism campaign. source: whitehouse.gov
  • 16 Sep 2001 President Bush addresses 9/11 terrorist suspects: On September 16, 2001, President George W. Bush delivered a speech addressing the suspects behind the September 11 attacks. His remarks emphasized the U.S. commitment to bringing those responsible to justice. source: whitehouse.gov
  • 17 Sep 2001 US trading markets reopen after 9/11: U.S. trading markets reopened on September 17, 2001, after being closed for several days following the September 11 attacks. The reopening was marked by significant volatility and a sharp decline in stock prices. source: reuters.com
  • 18 Sep 2001 2001 anthrax attacks: first letter sent: The first letter in the 2001 anthrax attacks was sent on September 18, 2001, shortly after the September 11 attacks. The letter contained anthrax spores and was addressed to a media outlet, marking the beginning of a nationwide scare. source: fbi.gov
  • 19 Sep 2001 U.S. military operations begin in Afghanistan: U.S. military operations in Afghanistan officially began on September 19, 2001, as part of the response to the September 11 attacks. This marked the start of a prolonged military engagement in the region. source: nytimes.com
  • 20 Sep 2001 Bush Addresses Congress on 9/11 Response: President George W. Bush addressed a joint session of Congress, outlining the U.S. response to the September 11 attacks, including the creation of the Office of Homeland Security and plans to combat terrorism. source: presidency.ucsb.edu
  • 21 Sep 2001 Stock market decline post-9/11: On September 21, 2001, the stock market continued to experience declines following the September 11 attacks. The uncertainty surrounding the attacks led to significant volatility in financial markets. source: reuters.com
  • 22 Sep 2001 Death of Isaac Stern, Renowned Violinist: Isaac Stern, a celebrated American violinist known for his contributions to classical music and music education, passed away on September 22, 2001. source: en.wikipedia.org
  • 24 Sep 2001 Bush Executive Order Targeting Terrorist Financing: President George W. Bush signed an executive order on September 24, 2001, aimed at freezing the assets of individuals and organizations linked to terrorism. source: presidency.ucsb.edu
  • 27 Sep 2001 Zug massacre in Switzerland: On September 27, 2001, Friedrich Leibacher, 57, entered the Zug cantonal parliament building disguised as a police officer and opened fire with an assault rifle, killing 14 people, including three members of the cantonal government, and injuring 18 others. He then committed suicide. The attack was reportedly motivated by grievances against local authorities. source: washingtonpost.com
  • 28 Sep 2001 Film: "Don't Say A Word" starring Michael Douglas and "Zoolander" starring Ben Stiller: Both "Don't Say A Word," a thriller starring Michael Douglas, and "Zoolander," a comedy starring Ben Stiller, were released in the United States on September 28, 2001. "Don't Say A Word" topped the box office with $18 million, while "Zoolander" earned $15.7 million. source: upi.com
  • 29 Sep 2001 Farm Aid 14 Concert: Farm Aid 14, a benefit concert aimed at supporting family farmers, was held on September 29, 2001. The event featured performances by various artists and aimed to raise awareness and funds for the challenges faced by family farmers in the United States. source: farmaid.org