Julius Caesar's Roman army is outnumbered but better supplied than their Gallic enemies during the siege within a siege at Alesia in 52 B.C.
Moses leads the Israelites out of Egypt during the Exodus, performing a complicated night water crossing and luring the pharaoh's pursuing army to a watery grave in the Sea of Reeds.
Alexander the Great faces a forced river crossing, a raging thunderstorm and a vicious enemy as he leads his army into India during his final campaign in 327 B.C.