If you are a certain age, the morning of Tuesday, Sept. 11, 2001, will probably never be forgotten.

You witnessed scenes of destruction and horror that are still shocking and can't be erased from your memory.

For property and casualty insurers and reinsurers, the impact of the 9/11 terrorist attacks was enormous, producing insured losses over $43 billion in 2015 dollars — and is still the largest insurance loss in global history, according to data from the Insurance Information Institute.

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