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
Caesar Lands in Epirus - First Successes
However this may be, on the 4th Jan. 706(28) Caesar set sail with six legions greatly thinned by toil and sickness and 600 horsemen from Brundisium for the coast of Epirus.
28. According to the rectified calendar on the 5th Nov. 705.
It was a counterpart to the foolhardy Britannic expedition; but at least the first throw was fortunate. The coast was reached in the middle of the Acroceraunian (Chimara) cliffs, at the little-frequented roadstead of Paleassa (Paljassa). The transports were seen both from the harbour of Oricum (creek of Avlona) where a Pompeian squadron of eighteen sail was lying, and from the headquarters of the hostile fleet at Corcyra; but in the one quarter they deemed themselves too weak, in the other they were not ready to sail, so that the first freight was landed without hindrance. While the vessels at once returned to bring over the second, Caesar on that same evening scaled the Acroceraunian mountains. His first successes were as great as the surprise of his enemies.
The Epirot militia nowhere offered resistance; the important seaport towns of Oricum and Apollonia along with a number of smaller townships were taken, and Dyrrhachium, selected by the Pompeians as their chief arsenal and filled with stores of all sorts, but only feebly garrisoned, was in the utmost danger.
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Reference address : https://www.ellopos.net/elpenor/rome/5-10-brundisium-pharsalus-thapsus.asp?pg=67