The World of Rome: Foundations of Roman Civilization 罗马的世界：罗马文明的基础

The World of Rome: Foundations of Roman Civilization

An Empire Spanning Three Continents

At its zenith during the second century CE, the Roman Empire encompassed a territory of approximately 5 million square kilometers, stretching from the misty hills of Caledonia in the north to the sun-baked sands of the Sahara in the south, and from the rocky shores of the Atlantic Ocean in the west to the fertile plains of Mesopotamia in the east. This vast imperial expanse represented the culmination of nearly eight centuries of expansion, diplomacy, and sometimes brutal conquest, transforming Rome from a small city-state on the banks of the Tiber River into the dominant Mediterranean power and one of the largest political entities the ancient world had ever witnessed.

Understanding this geographical context proves essential for comprehending Roman daily life, for the empire was not merely a political abstraction but a tangible network of cities, roads, waterways, and diverse communities connected by Roman law, Latin language, and shared cultural practices. When we speak of "Roman civilization," we must recognize that this civilization manifested differently in the bustling harbor of Alexandria than in the frontier garrison town of Londinium, and that a merchant in Lugdunum experienced daily life in ways both similar to and distinctly different from his contemporaries in Antioch or Carthage.

The Mediterranean Sea, which the Romans poetically termed *Mare Nostrum*—"Our Sea"—served as the central artery of imperial communication and commerce. This body of water, spanning roughly 2,500 kilometers from west to east and varying in width from 160 to 400 kilometers, was not merely a geographical feature but the gravitational center around which Roman civilization revolved. During the height of the empire, Roman naval power ensured unprecedented safety of maritime travel, enabling grain ships to sail from Alexandria to Rome with minimal risk of piracy, merchants to transport goods across thousands of kilometers with confidence, and soldiers to be deployed rapidly across the Mediterranean world. The Greek geographer Strabo, writing in the late first century BCE, captured this Roman achievement when he observed that the Mediterranean had become "a lake of the Romans," though the phrase *Mare Nostrum* itself appears more prominently in later imperial sources, particularly in the poetry of Ovid and the rhetorical works of Cicero.

Major Cities Beyond Rome

While Rome, with its population exceeding one million inhabitants, remained the undisputed capital of the empire, the Roman world comprised numerous other urban centers of considerable size and importance. These cities were not merely administrative subsidiaries of Rome but vibrant centers of culture, commerce, and intellectual life that shaped the daily experiences of millions of inhabitants throughout the Mediterranean world.

Alexandria in Egypt

The city of Alexandria, founded by Alexander the Great in 331 BCE on the Mediterranean coast of Egypt, represented perhaps the most culturally significant city outside Rome itself. With a population estimated between 300,000 and 500,000 during the imperial period, Alexandria served as the empire's second-largest city and its preeminent center of learning. The famous Library of Alexandria, though not fully preserved in its ancient grandeur, remained a symbol of intellectual achievement, housing hundreds of thousands of papyrus scrolls and attracting scholars from across the Mediterranean world. The Museum, a research institution attached to the library, employed scholars at state expense to pursue studies in mathematics, astronomy, medicine, and literature. For a Roman citizen residing in Alexandria, daily life would have included the opportunity to hear public lectures by philosophers, consult texts unavailable elsewhere in the empire, and witness the spectacular processions celebrating the city's Graeco-Egyptian heritage. The Pharos lighthouse, one of the Seven Wonders of the Ancient World, guided ships into the city's harbor, while the royal quarter, with its palace complexes, reminded residents of the city's Ptolemaic past and its continued role as the primary source of Rome's grain supply.

Antioch on the Orontes

Situated in modern-day Turkey near the Syrian border, Antioch on the Orontes ranked among the great cities of the eastern Mediterranean. Founded by Seleucus I Nicator in 300 BCE and named after his father Antiochus, the city grew to encompass a population of perhaps 400,000 inhabitants at its height. Antioch served as the capital of the Roman province of Syria and, during various periods, housed the imperial court when emperors traveled eastward. The city's famous Street of Columns, a broad boulevard lined with colonnades, stretched for several kilometers and bustled with merchants, philosophers, and citizens going about their daily affairs. For the Roman traveler Lucian, writing in the second century CE, Antioch exemplified both the cosmopolitan sophistication and the chaotic energy of great cities, as he described the perpetual noise of chariot traffic, the shouts of street vendors, and the elaborate celebrations that characterized urban life. The nearby sanctuary at Daphne, with its sacred grove and temple to Apollo, provided a retreat for those seeking respite from the city's bustle while remaining intimately connected to Antioch's religious life.

Lugdunum (Modern Lyon)

Located at the confluence of the Rhône and Saône rivers in what is now France, Lugdunum served as the capital of the Roman province of Gallia Lugdunensis and one of the most important cities in the western provinces. The city's strategic position, commanding the junction of major river routes flowing north and south through Gaul, made it a crucial center for trade and military logistics. Founded in 43 BCE by Roman colonists fleeing the turmoil following Julius Caesar's assassination, Lugdunum grew rapidly and by the first century CE housed an estimated 50,000 to 100,000 inhabitants. The city boasted a magnificent forum, temples dedicated to Augustus and the national goddess Roma, an amphitheater capable of seating thousands, and the famous altar of Rome and Augustus where representatives of the sixty Gallic tribes gathered annually to perform sacrifices and celebrate their loyalty to the imperial cult. This altar, discovered by archaeologists in 1999 and now preserved in the Gallo-Roman Museum of Fourvière, provides crucial evidence for understanding how Roman cultural practices were transmitted to and adopted in the western provinces. The practical example at the end of this chapter will examine how daily life might have unfolded for a Roman citizen in Lugdunum, drawing on archaeological evidence and surviving textual sources.

The Network of Roads: Connecting an Empire

If the Mediterranean Sea served as the empire's circulatory system, the Roman road network functioned as its nervous system, transmitting information, goods, and military forces throughout the vast territorial extent of Roman civilization. The famous Roman roads, characterized by their straight alignments, solid construction, and carefully maintained surfaces, represented one of the most remarkable engineering achievements of the ancient world and a testament to Roman organizational capabilities.

At its peak, the Roman road network encompassed approximately 400,000 kilometers of roads, of which some 80,500 kilometers were *viae publicae*—officially maintained public roads. These ranged from the great trunk routes like the Via Appia, connecting Rome to Brundisium in the south, and the Via Egnatia, traversing the Balkans to the eastern Mediterranean, to local roads serving agricultural communities and connecting small towns to major urban centers. The engineering standards applied to major roads were remarkable: typical construction involved a shallow foundation trench filled with successive laye