Foundation and First Mentions
Although archaeological findings indicate human presence in this region as far back as prehistoric times and the era of Roman rule (the ancient city of Collipo was located just a few kilometers away), the history of modern Leiria is inextricably linked to the Middle Ages. The official beginning of the city's establishment is considered to be the year 1135.
It was then that the first King of Portugal, Afonso Henriques, recognizing the strategic importance of the location, ordered the construction of a castle on the hilltop. This fortress became the urban nucleus around which people began to settle, serving as a vital defensive point on the route to Lisbon and Santarém.
Key Factors of Development
Several factors contributed to the transformation of Leiria from a military fortress into a thriving city:
- Geographical Location: The city is situated in the fertile valley of the River Lis, which provided residents with water and the opportunity to engage in agriculture. The hill with the castle dominated the terrain, allowing control over trade routes between the north and south of the country.
- Royal Residence: King Dinis I played a special role. He chose Leiria as his residence, transformed the castle from a harsh bastion into a palace, and frequently spent time here with his wife, Queen Isabel, which significantly raised the city's political status.
- Strategic Defense: Proximity to the Atlantic Ocean required the protection of fertile lands from encroaching sands, leading to massive forest plantations that defined the region's economy.
Early Cultural and Economic Features
The economy and culture of early Leiria relied on unique resources and events that were progressive for that time:
- Pinhal de Leiria (Pine Forest): The famous forest, planted by royal decree, not only stopped the sands but also became a source of timber and resin. Later, this very forest provided the material for building caravels during the Age of Discovery.
- Political Innovation: In 1254, Leiria hosted the historic Cortes — the first assembly where representatives of the common people were officially present, cementing the city's reputation as a place for important state decisions.
- Book Printing: Leiria became one of the first cities in Portugal to establish a printing press. In the 1490s, the Jewish printing house of the D'Orta family began operations here, producing the country's first books of scientific content.