It is part of an historic triangle that includes the site of the 1607 Jamestown settlement and the Yorktown battlefield, where the Revolutionary War ended.
VOA: standard.2010.07.03
It had also led to a war with Mexico, by which the United States acquired a huge triangleof land bounded by California and Texas.
U.S. forces nicknamed northern Babil and surrounding areas the 'Triangle of Death' due to the amount of combat the area experienced earlier in the Iraq war.