Battle of the Nile
46 BCE.
Shown on the map at 30.900°, 31.117°.
The Battle of the Nile in early 47 BC saw the combined Roman–Egyptian armies of Julius Caesar and Cleopatra VII defeat those of the rival Queen Arsinoe IV and King Ptolemy XIII and secure the throne of Egypt.
Text from the Wikipedia article Battle of the Nile (47 BC), licensed CC BY-SA 4.0.