Statistics for occurrence #1 of “Tagus” in book 10, chapter 39 of Polybius, Histories:

... and determining not to stake his all upon this one desperate hazard, he secured his money and his elephants, collected as many of his flying soldiers as he could, and commenced a retreat towards the Tagus , with a view of reaching the passes of the Pyrenees and the Gauls in that neighbourhood. Scipio did not think it advisable to pursue Hasdrubal at once, for fear of being attacked by the other Carthag...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Tagus 34 6 0 0 0 user votes
Tagus (California, United States) 0 0 0 0 0 user votes
Tagus (North Dakota, 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.