Caesar arrives at Portus Itius where the shores of Britannia are visible across the sea. This is the same village where his first expedition to Britannia was launched. An armada of 1000 triremes is beached nearby. May 4, 40BCE Portus Itius May 5, 40BCE Portus Dubris Caesar does not waste time in the beachhead. His legions march to Londinium. On the way King Commius of the Atrebates turns up and surrenders to Caesar, knowing there is no way the Britons can defeat the Romans. Hostages and tribute are arranged on the spot. Commius is ordered to disband his army. May 7, 40BCE Londinium