  It is commonly believed that the ancient Romans were the first to create and
use concrete. This is not true, as we can easily learn from the Latin
literature itself. For sure, Romans were able to prepare high-quality hydraulic
cements, comparable with the modern Portland cements. In this paper, we will
see that the use of concrete is quite older, ranging back to the Homeric times.
For instance, it was used for the floors of some courts and galleries of the
Mycenaean palace at Tiryns
