The three-day Lisbon Massacre comes to an end with the slaughter of over 1,900 suspected Jews by Portuguese Catholics.

Lisbon massacre

1506 antisemitic riot in the Kingdom of Portugal

The Lisbon massacre started on Sunday, 19 April 1506 in Lisbon when a crowd of churchgoers attacked and killed several people in the congregation whom they suspected were Jews. The violence escalated into a city-wide, antisemitic riot that killed between 500 and 4,000 "New…