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[[1997]] – [[NASA]]'s Mars Global Surveyor reaches [[Mars]].<br>[[2001]] – Terrorist attack on America: Known as "The September 11 attacks," a series of coordinated terrorist attacks killed 2,996 people using four aircraft hijacked by 19 members of terrorists group "al-Qaeda." <br>Two aircraft crash into the famous World Trade Centers in New York City, a third plane crashed into The Pentagon in Arlington County, Virginia, and a fourth into a field near Shanksville, Pennsylvania. <br>