Persecution of Jews in Portugal

Roman Empire
Under Christian emperors, Jews were persecuted in the Roman Empire, which included forbidding Jews from marrying Christians, restricting Jews from holding public office, and Jews weren't allowed to own slaves.

Kings of Portugal
In the 1490s, King John II of Portugal took Jewish children and forcibly transported them to a new colony in São Tomé in Africa, where many died. After John II's death in 1495, his successor King Manuel I decreed for Jews to convert to Christianity or be expelled from Portugal.

Lisbon massacre
In 1506, Dominican friars incited a massacre in Lisbon against Jews in which over 2,000 were killed.

Portuguese Inquisition
During the Portuguese Inquisition that started in the 16th century, Jews that converted to Christianity suspected of secretly practicing Judaism were killed.