From MSNBC:
Compared to the well-studied world of Homer’s Iliad and Odyssey, the civilizations that flourished in the eastern Mediterranean just before Homer’s time are still cloaked in mystery. Even the basic chronology of the region during this time has been heatedly debated. Now, a resolution has finally emerged — initiated, quite literally, by an olive branch. Scientists have discovered the remains of a single olive tree, buried alive during a massive volcanic eruption during the Late Bronze Age. A study that dates this tree, plus another study that dates a series of objects from before, during and after the eruption, now offer a new timeline for one of the earliest chapters of European civilization.
More here.