50,000 Killed Over 300 Years

From The invention of satanic witchcraft by medieval authorities was initially met with skepticism:

The history of witchcraft can be quite grim. From the 1400s through the 1700s, authorities in Western Europe executed around 50,000 people, mostly women, for witchcraft. The worst witch hunts could claim hundreds of victims at a time. With 20 dead, colonial America’s largest hunt at Salem was moderate by comparison.