Tyre developed on the coast of present-day Lebanon from settlements established during the third millennium BCE. Its most famous core occupied an island just offshore, supplemented by mainland communities, harbors, fields, and freshwater systems. By the second millennium BCE, it belonged to the network of Canaanite port cities trading timber, metals, glass, textiles, and luxury goods across the eastern Mediterranean. Its island position offered protection, while skilled sailors and merchants turned limited local territory into the base of a far-reaching maritime economy.

During the early first millennium BCE, Tyre became a leading Phoenician city-state. Kings such as Hiram I sponsored temples, harbors, construction, and diplomatic exchange, including close relations remembered with Israelite rulers. Tyrian traders founded or strengthened settlements across Cyprus, North Africa, Sicily, Sardinia, and Iberia; Carthage became the most powerful. Workshops were celebrated for purple dye made from murex shells, carved ivory, metalwork, and glass. Political independence varied, but tribute to Assyrian, Babylonian, and Persian empires did not erase the city’s commercial influence.

Conquerors repeatedly tested the island defenses. Nebuchadnezzar II besieged Tyre for years in the sixth century BCE. In 332 BCE, Alexander the Great built a causeway from the mainland, using rubble and siege works to reach the walls after a seven-month campaign. The causeway trapped sediment and permanently joined the island to the shore, reshaping the coastline. Under Hellenistic and then Roman rule, Tyre remained prosperous, with colonnaded streets, baths, arenas, aqueducts, cemeteries, temples, and an enormous hippodrome serving a cosmopolitan population.

Tyre became an important Christian center and later passed through Byzantine, early Islamic, Crusader, Ayyubid, Mamluk, and Ottoman rule. Crusaders fortified the city and made it a major port before Mamluk conquest in 1291 brought destruction and contraction. Earthquakes, changing trade, quarrying, and continuous habitation complicated the archaeological record. Excavations during the twentieth century exposed extensive remains at Al-Mina near the ancient shore and at Al-Bass, where a monumental arch, road, necropolis, aqueduct, and hippodrome illustrate Roman urban life.

UNESCO inscribed Tyre in 1984 for its Phoenician legacy and outstanding later monuments. Protection must address coastal erosion, groundwater, salt, vegetation, urban development, pollution, and damage linked to regional conflict. The ruins represent only portions of a city whose harbors and earliest levels remain difficult to investigate beneath water and modern construction. Tyre’s importance is global: its mariners connected Mediterranean societies, its colonies reshaped ancient politics, and Alexander’s causeway made one military event a permanent feature of the physical landscape.