Die 'dunklen Jahrhunderte' Griechenlands 1200 - 700 v. Chr.
The Mycenaean civilization flourished betweenn 1600 BC and ca. 1100 BC, the late Bronze Age in Greece. It ended with the collapse of their Bronze-Age civilization. The last phase of the Bronze Age is also the setting of Homers epics and heroes, hence the name of the exhibition. But it wasn't so much about the heroes themselves, with the exception of a virtual pyre for Patrokles, where Achilles (Achill, Achilleus, they couldn't agree which version of his name they should use) offered his hair.
There is also a cuneiform tablet with some scribbeling on it:
And here you can see how the megaron of the palace changed in size after the catastrophic horizon, however, it was still in use: