Restored archive. The original History Commons is no longer online; this is a read-only edition of its timelines. Content is licensed CC BY-NC-SA.

History Commons Archive

Restored archive of the open-content investigative journalism project

Joseph Vickers

Profile: Joseph Vickers

Events (1)

(Shortly After 9:21 a.m.) September 11, 2001: United Airlines Dispatchers Issue Warnings to Flights, Implement ‘Positive Contact’ Procedure 2001-09-11