New 9/11 Timeline Entries: Office of Emergency Management on 9/11, FBI’s Response to the Attacks, Events at the Pentagon & More

From the History Commons Groups blog:

New entries have been added to the Complete 9/11 Timeline at History Commons, which describe many incidents relating to the 9/11 attacks, including new details of what happened on September 11, 2001, and some notable pre-9/11 events.

Fire Alarm System in WTC 7 Was on ‘Test Condition’

Several new timeline entries describe incidents that occurred on September 11 in World Trade Center Building 7, a 47-story skyscraper located north of the Twin Towers that collapsed at 5:20 p.m. that day. At 8:46 a.m., when the first hijacked plane crashed into the North Tower, the electrical power in WTC 7 briefly went off for reasons that are unclear. Similarly, at 9:03 a.m., when the second hijacked plane hit the South Tower, “primary power” was lost and alarms warned that there was no water pressure in the building.

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