|Intercommunality||Caux-Vallée de Seine|
|• Mayor (2008–2013)||Nicolas Beaussart|
|Area1||14.66 km2 (5.66 sq mi)|
|• Density||670/km2 (1,700/sq mi)|
|INSEE/Postal code||76384 / 76170|
|Elevation||0–1,338 m (0–4,390 ft)
(avg. 6 m or 20 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
Before the Roman conquest of Gaul Juliobona was the capital of the Caletes, or inhabitants of the Pays de Caux. It was destroyed by Julius Caesar and afterwards rebuilt by Augustus. Before it was again ruined by the barbarian invasions, it had become an important centre whence Roman roads branched out in all directions. It was an administrative, military and commercial city located close to the Seine. This made it a great transportation route between Brittany (current England) and the remainder of the Roman Empire. It was also a crossroads of communication in order to bring Roman ways to Harfleur, Étretat, Dieppe, Évreux and Rouen.
The remains of Roman baths and of a theater capable of holding 3,000 persons have been brought to light. Many Roman and Gallic relics, notably a bronze statue of Apollo (exposed in Le Louvre), and two fine mosaics exposed to the museum at Rouen, have been found. In the Middle Ages the fortifications of the town were constructed out of materials supplied by the Roman theater. The town recovered some of its old importance under William the Conqueror.
Detail of the Tabula Peutingeriana from 1st-4th century, (Juliobona is at the center)
Roman Amphitheatre of Lillebonne
Mosaic of Orpheus found at Lillebonne, Musée des antiquités of the Seine-Maritime (Rouen)
The church of Notre Dame, partly modern, preserves a Gothic portal of the 16th century and a graceful tower of the same period. The park contains a fine cylindrical donjon and other remains of a castle founded by William the Conqueror and rebuilt in the 13th century.
The Gallo-Roman amphitheater of Lillebonne was built in the first century and was altered in the second century so that it could be used as both an amphitheater and a theater. Part of its remains are still visible today from Félix Faur Square, and the foundations of some of its remnants (the wings and backdrop) remain under the square.
The principal industries were cotton-spinning and the manufacture of calico and candles. Petrochemistry is now the main industry in the area, with a part of the nearby Notre-Dame-de-Gravenchon refining and petrochemical complex extending over the Lillebonne commune.
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.
- Tourism office of Lillebonne (French)
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