9/11 (New York, Washington, D.C., and Shanksville, Pennsylvania, 2001) -- Shoe bombers' plot (Paris-Miami, 2001) -- Operation Overt (United Kingdom-United States, 2006) -- Millennium plot (Los Angeles, 1999) -- Operation Rhyme (London, 2004) -- Operation Crevice (United Kingdom, 2004) -- Operation Theseus (London, July 7, 2005) -- Operation Vivace (London, July 21, 2005) -- Operation Dagger (Copenhagen, 2007) -- Operation Highrise (New York, 2009) -- Tradebom plot (World Trade Center, New York, 1993) -- Madrid train system (March 11, 2004) -- Hofstad group plots (Netherlands, 2004-5) -- Operation Pendennis (Australia, 2005) -- Operation Osage (Canada, 2006) -- The Al Qaeda non-plot: the Lackawanna cluster (2002).