Subcategories - Roman Empire, Ancient Rome
- Pompey the Great
- Pontius Pilate
- Poppaea Sabina
- Porphyry
- Posidonius
- Priscillian
- Ptolemy (astronomer)
- Punic Wars
- Quintus Ennius
- Quintus Fabius Maximus
- Rape of Lucretia
- Reforms of Pope Gregory the Great
- Regulus
- Rhine-Danube Frontier Is Established
- Rise of Etruscan Civilization in Rome
- Rise of Parthia
- Roman Civil Wars of 235-394
- Roman Civil Wars of 88-30 b.c.e.
- Roman Conquest of Britain
- Roman Destruction of the Temple of Jerusalem
- Roman Empire
- Roman Juvenal Composes Satires
- Roman Playwright Terence Dies
- Roman Poet Catullus Dies
- Roman Republic Replaces Monarchy
- Sack of Corinth
- Saint Ambrose
- Saint Anthony of Egypt
- Saint Helena
- Saint Jerome
- Saint John Chrysostom
- Saint Paul
- Saint Peter
- Saint Siricius
- Saint Stephen
- Saint Thomas
- Sallust
- Samnite Wars
- Saxon Settlement of Britain Begins
- Scipio Aemilianus
- Scipio Africanus
- Second Punic War
- Second Triumvirate Enacts Proscriptions
- Seneca the Younger
- Sextus Propertius
- Sibylline Books Are Compiled
- Siege of Alesia
- Siege of Masada
- Sophonisba of Numidia
- Sosigenes
