List of conspiracy theories

There are many unproven conspiracy theories with varying degrees of popularity, frequently related to clandestine government plans and elaborate murder plots. Conspiracy theories usually go against a consensus or cannot be proven using the historical method and are typically not considered similar to verified conspiracies such as Germany's pretense for invading Poland in World War II.

Antisemitism has, since the Middle Ages, frequently taken on the characteristics of a conspiracy theory. Antisemitic canards continue to circulate. In medieval Europe it was widely believed that Jews poisoned wells, had killed Jesus, and consumed the blood of Christians in their rituals (despite the fact that human and animal blood are not kosher).

In the second half of the 19th century conspiracists claimed that Jews and/or Freemasons were plotting to establish control over the world. The best-known text alleging the existence of this Judeo-Masonic conspiracy theory is . A more modern manifestation of such ideas is the theory of a Zionist Occupation Government (ZOG).

The Jewish Bolshevism theories allege that the Jews were the driving force behind the propagation of communism, in particular, of the Russian Revolution and Bolshevism.

Various conspiracy theories have been advanced regarding Jews and banking, including the theory that world banking is dominated by the Rothschild family, that Jews control Wall Street, and that Jews control the U.S. Federal Reserve System. A related theory is that Jews control Hollywood and the news media.

...
Wikipedia