The 9/11 attacks prompted a mutual aid response involving entities in Chicago and New York.

The entities involved

• Chicago →

  city and county seat of Cook County, and largest city in State of Illinois, United States of America

  • The Chicago City Council governs the city of Chicago.Mon 16:49
  • The Chicago City Council requires council approval for appointments.Mon 16:49
• New York →

  state of the United States of America

  • A lawsuit has been filed in New York concerning a student involved in a sexual assault controversy at Cornell University.Mon 17:34
  • New York, Minnesota, and Texas are currently being discussed in relation to state fraud and public corruption issues.Mon 17:33

Related events

• Coordinated response to the September 11th attacks involving New York and New Jersey.Sep 11
• New York and Pennsylvania shared an experience related to the 9/11 attacks.Sep 12
• A shared national experience of the 9/11 attacks between New York and Birmingham.Sep 11
• An outage affected calls to emergency services in New York on September 1, 2026, coinciding with 9/11 remembrance.Sep 12
• New York passes bills to support 9/11 victims.Sep 11