Multiple choice The 9/11 attacks to place in what year? 2002 2004 2000 2001 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The 9/11 attacks occurred on September 11, 2001. Option D is correct. Options A (2002), B (2004), and C (2000) are incorrect years. Note: question has a typo (to place instead of took place).