– How does a tree specialist date a tree

Question

So. For context. Watching a nature documentary the voice over guy gave the year that a species of tree died. The tree wasn’t a fossil. More like a dead stump you could walk up to and see.

I understand how they age trees to see their approximate age but how can they predict an exact year that tree died?

In: 2

Answer 1

These things are edited to save time on tv, he had to use a bit to take a sample to count the rings.
Also did he say what tree species? American chestnut died all around the same time because of a disease