Cn. Pompeius Magnus, the renowned rival of Julius Caesar. Being defeated at the battle of Pharsalia, owing to the defection of his cavalry, Pompey fled by sea to Egypt, where he was basely assassinated by order of Theodotus, prime minister to Ptolemy the younger, then a minor, 48 B.C. See Rome.

Pompey's Pillar, vulgarly so called, a celebrated column near Alexandria, in Egypt, 114 feet in height, and of which the shaft, composed of a single piece of granite, is ninety feet.