1995   Representatives from over 170 countries meet in New York City and decide to extend the Nuclear Nonproliferation Treaty indefinitely and without conditions.

2001   Nearly 3,000 people are killed in a series of coordinated terrorist attacks perpetrated by al-Qaeda against the United States. The attacks take place in New York City, Arlington, Virginia, and Shanksville, Pennsylvania.

2003   The Staten Island Ferry crashes into a pier in New York City killing 11 and injuring 34.

2005   New York City transit workers go on strike shutting down the largest public transit system in the United States.