Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
The old poet was guided in this view by the feeling that the barbarians of Italy were less widely removed from the Greeks than other barbarians were, and that the relation between the Greeks and Italians might, when measured poetically, be conceived as similar to that between the Homeric Achaeans and the Trojans. This new Trojan fable soon came to be mixed up with the earlier legend of Odysseus, while it spread at the same time more widely over Italy.
According to Hellanicus (who wrote about 350) Odysseus and Aeneas came through the country of the Thracians and Molottians (Epirus) to Italy, where the Trojan women whom they had brought with them burnt the ships, and Aeneas founded the city of Rome and named it after one of these Trojan women. To a similar effect, only with less absurdity, Aristotle (370-432) related that an Achaean squadron cast upon the Latin coast had been set on fire by Trojan female slaves, and that the Latins had originated from the descendants of the Achaeans who were thus compelled to remain there and of their Trojan wives.
With these tales were next mingled elements from the indigenous legend, the knowledge of which had been diffused as far as Sicily by the active intercourse between Sicily and Italy, at least towards the end of this epoch. In the version of the origin of Rome, which the Sicilian Callias put on record about 465, the fables of Odysseus, Aeneas, and Romulus were intermingled.(20)
20. According to his account Rome, a woman who had fled from Ilion to Rome, or rather her daughter of the same name, married Latinos, king of the Aborigines, and bore to him three sons, Romos, Romylos, and Telegonos. The last, who undoubtedly emerges here as founder of Tusculum and Praeneste, belongs, as is well known, to the legend of Odysseus.
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Reference address : https://www.ellopos.net/elpenor/rome/2-09-art-science.asp?pg=21