Short answers, pulled from the story.
Gnaeus Pompeius Magnus was born on the 29th of September in 106 BC within the region of Picenum. He entered a military career while still young, serving alongside his father during the Social War that raged from 91 to 87 BC.
Sulla greeted him with the title Magnus after his early success routing one of three Roman armies sent to stop their union. The dictator bestowed this name meaning victorious general after his boyhood hero Alexander the Great following the events of 83 BC.
Aulus Gabinius proposed the Lex Gabinia de piratis persequendis in 67 BC to grant Pompey proconsular authority for three years. This law gave him power over any province within 50 miles of the Mediterranean along with significant financial resources to secure the grain route to Rome.
Julius Caesar sought Pompey's endorsement for the consulship in 59 BC to harness his influence with the urban electorate. With additional support from Crassus, Caesar became one of two consuls for that year alongside Marcus Calpurnius Bibulus.
Lucius Septimius killed him as a Roman officer serving in the Egyptian army when he went ashore to greet an official delegation at Pelusium. His body was cremated by two servants while the head remained kept as evidence for potential future use.