|"Is this all real? Or has this been happening inside my head?"
The subject of this article is a real-life person, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Most of Europe
Peaked from 1348 - 1350
A massive outbreak of the plague kills 30-60 percent of Europe's population.
The Black Death is the name of a mass outbreak of the plague that spread throughout Europe during the Middle Ages, peaking in the mid-14th century. During this period, Nicholas Malfoy is believed to have killed many Muggle tenants, disguising their deaths as plague victims. If this is true, it has never been proven, as he escaped censure by the Wizard's Council.
- Pottermore (Mentioned only)