We do not remember that well especially those who did not live through it.
How about the plague 100 years ago?
We would not even be able to remember even if we wanted to because there were no digital records.
Imagine how great it would have been if we could? If all the brains of the world used our current disposal of technology to collectively look for patterns and lessons.
We could use lessons in diagnosis but also tertiary side effects - businesses, tourism, geographical changes, political changes. History could have been a real witness.