Grammatically, the phrase "11 sep torres gemelas" functions as a proper noun. It is a Spanish-language term that designates a specific, singular historical event. The components "11 sep" act as a specifier, identifying the date (September 11), while "torres gemelas" (Twin Towers) is the noun phrase being specified. Together, they form a fixed expression that names the attacks on the World Trade Center in 2001.
The term refers to the events of September 11, 2001, when members of the terrorist group al-Qaeda hijacked two commercial airlinersAmerican Airlines Flight 11 and United Airlines Flight 175and intentionally crashed them into the North and South Towers, respectively, of the World Trade Center in New York City. The impacts and subsequent fires compromised the structural integrity of the steel-framed skyscrapers, leading to the complete collapse of both 110-story towers within a period of 102 minutes.
The event signified a pivotal moment in modern history, resulting in 2,753 deaths at the World Trade Center site, including hundreds of first responders. Its consequences were profound and immediate, directly leading to the initiation of the U.S. "War on Terror," the invasion of Afghanistan, and the implementation of sweeping changes to aviation security and national surveillance policies worldwide. The phrase encapsulates not just the physical destruction of the towers but also the subsequent global political, social, and military shifts.
