The earliest ﬁrst-hand account of Britons as a ﬁghting force is provided by Julius Caesar describing his opening encounter in the summer of 55 BC.
We ran the ships ashore on a ﬂat and open beach. But the natives had discovered our intention. They had sent on ahead their cavalry and the chariots which they regularly use in battle. The rest of their troops came on behind and were stopping our men landing.