Statistics for occurrence #1 of “Piacenza” in book 9, chapter 1, section 1 of Vitruvius Pollio, The Ten Books on Architecture:

...ligence and is a very great wonder to all who reflect upon it, that the shadow of a gnomon at the equinox is of one length in Athens, of another in Alexandria, of another in Rome, and not the same at Piacenza , or at other places in the world. Hence drawings for dials are very different from one another, corresponding to differences of situation. This is because the length of the shadow at the equinox is u...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Piacenza (Italy) 2 2 0 0 0 user votes
Piacenza (Italy) 11 0 1 0 0 user votes
Piacenza (Wisconsin, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.