What were the key events of September 11, 2001?

okay here is some info:

Explanation:

on this day terrorists attacked or hijacked the plane and the planes carries out attacks against the world trade center in new York city and the Pentagon in Washington DC. it killed mostly everyone on the plane and the planes nearly killed 3,000 people on the ground at the Time.

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like dude you only explained

the problem not the

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: