When did the twin towers collapse?

The collapse of the World Trade Center (WTC) towers on September 11, 2001, was as sudden as it was dramatic; the complete destruction of such massive buildings shocked nearly everyone. read more

The Twin Towers of the World Trade Center (WTC) collapsed on September 11, 2001, as a result of being struck by two jet airliners hijacked by 10 terrorists affiliated with al-Qaeda, during the September 11 attacks. read more

The World Trade Center collapse on September 11, 2001 needs an explanation. In the years since the terrorist attacks in New York City, individual engineers and committees of experts have studied the crumpling of the World Trade Center Twin Towers. read more