Lisbon’s dark Side
Lisbon is a city of beauty, culture, and rich history, but it also has a darker past filled with tragedy, cruelty, and turmoil. Exploring these dark chapters reveals how Lisbon was shaped by moments of violence, disaster, and oppression. Here are 10 Dark Chapters in Lisbon’s History that left a lasting mark.

10 Dark Chapters in Lisbon’s History: Unveiling the Shadows of the Past
1. The Portuguese Inquisition
Established in 1536, the Portuguese Inquisition led to the persecution of Jews, Muslims, and alleged heretics. Thousands were tortured, imprisoned, and executed, many in Rossio Square, where public burnings took place. This period of religious intolerance remains one of the darkest in Lisbon’s history.
2. The Slave Trade
Lisbon was a major hub in the transatlantic slave trade from the 15th to 19th century. Enslaved Africans were brought to the city in horrific conditions, sold, and forced into labor. The wealth and growth of Lisbon during this time were largely built on the exploitation of enslaved people.
3. The Lisbon Massacre of 1506
In April 1506, a violent anti-Semitic massacre erupted in Lisbon. Thousands of New Christians (converted Jews) were brutally murdered by mobs fueled by religious hysteria. This event stands as a tragic reminder of religious persecution in Portugal.
4. The 1755 Earthquake
On November 1, 1755, Lisbon was struck by a catastrophic earthquake, followed by tsunamis and fires that destroyed much of the city. Tens of thousands perished, and the devastation reshaped Lisbon’s urban landscape, leading to the creation of modern earthquake-resistant architecture.
5. The Estado Novo Regime (1933–1974)
From 1933 to 1974, Portugal was ruled by the Estado Novo dictatorship, led by António de Oliveira Salazar. This period was marked by political repression, censorship, and secret police brutality. Many dissidents were arrested, tortured, or exiled, making Lisbon a center of oppression and resistance.
6. Public Executions in Lisbon
For centuries, public executions were common in Lisbon’s main squares, such as Rossio and Terreiro do Paço. Criminals and political prisoners were hanged, burned, or decapitated as brutal spectacles intended to instill fear among the population.
7. Cholera Outbreaks in the 19th Century
Lisbon suffered multiple cholera epidemics in the 1800s, worsened by poor sanitation and overcrowding. Thousands died, and the outbreaks exposed the city’s lack of public health infrastructure, eventually leading to much-needed urban improvements.
8. The Expulsion of the Jesuits (1759)
In 1759, the Jesuit Order was expelled from Portugal by the Marquis of Pombal, accused of amassing too much power. Their properties were confiscated, and their removal weakened Lisbon’s education and religious institutions for years.
9. The Liberal Wars (1828–1834)
Lisbon was deeply affected by the Liberal Wars, a civil conflict between absolutists and constitutionalists. The war caused political instability, economic hardship, and violent clashes, shaping Portugal’s path towards a constitutional monarchy.
10. The Chiado Fire of 1988
On August 25, 1988, a devastating fire swept through the Chiado district, destroying historic buildings, shops, and homes. This disaster led to major restoration efforts and highlighted the importance of preserving Lisbon’s historic neighborhoods.

Reflecting on Lisbon’s Dark Past: Lessons for the Future
Understanding Lisbon’s dark history is essential not only to appreciate the city’s beauty and resilience but also to learn from its past mistakes. The stories of religious persecution, slavery, and political oppression remind us of the importance of human rights, tolerance, and the need to uphold justice in every society. By acknowledging these darker chapters, Lisbon has shown its capacity for growth, healing, and reconciliation.
Today, as Lisbon embraces modernity, it continues to honor its history through memorials, museums, and education, ensuring that future generations are aware of the challenges faced by their predecessors. The shadows of the past serve as a reminder of how far the city has come and the importance of never forgetting its history while looking toward a brighter, more inclusive future.
Conclusion
Lisbon’s history is a blend of triumph and tragedy. Acknowledging its dark past helps us appreciate how the city has evolved through struggle, resilience, and reform. By learning from history, we honor the memories of those affected and ensure that the mistakes of the past are not repeated.
Interested in exploring Lisbon’s past? Visit historical sites like Rossio Square, Carmo Convent, and the Lisbon Slave Market Memorial to uncover more about the city’s hidden history.
What do you think about Lisbon’s past? Share your thoughts in the comments!
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