The phantom time conspiracy theory is a pseudohistorical conspiracy theory first asserted by Heribert Illig in 1991. It hypothesizes a conspiracy by the...

This is a list of notable conspiracy theories. Many conspiracy theories relate to supposed clandestine government plans and elaborate murder plots. They...

John F. Kennedy on November 22, 1963 has spawned numerous conspiracy theories. These theories allege the involvement of the CIA, the Mafia, Vice President...

"Pizzagate" is a conspiracy theory that went viral during the 2016 United States presidential election cycle, falsely claiming that the New York City...

science fiction, ufology, and conspiracy theories. The idea of reptilians was popularised by David Icke, an anti-semitic conspiracy theorist who claims shapeshifting...

The chemtrail conspiracy theory /ˈkɛmtreɪl/ is the erroneous belief that long-lasting condensation trails left in the sky by high-flying aircraft are...

The Black Knight satellite conspiracy theory claims that a spacecraft of extraterrestrial origin is in near-polar orbit of the Earth, and that NASA is...

genocide, white extinction, or white replacement conspiracy theory is a white nationalist conspiracy theory that claims there is a deliberate plot (often...

A conspiracy theory states that Canadian singer Avril Lavigne died in 2003, shortly after the release of her successful first album, Let Go, and was replaced...

reviewer Julian Strube, Kurlander "cites from the reservoir of post-war conspiracy theories" and "heavily relies on sensationalist accounts...mixing up contemporary...

"Cultural Marxism" refers to a far-right antisemitic conspiracy theory that misrepresents the Frankfurt School as being responsible for modern progressive...

There are various conspiracy theories that attribute the preparation and execution of the September 11 attacks against the United States to parties other...

many conspiracy theories have been suggested regarding the disaster. These theories have been refuted by subject-matter experts. The pack ice theory is...

Hundreds of conspiracy theories about Freemasonry have been described since the late 18th century. Usually, these theories fall into three distinct categories:...

"Eurabia" (portmanteau of Europe and Arabia) is a far-right, anti-Muslim conspiracy theory that posits that globalist entities, led by French and Arab powers...

fringe figures have promoted conspiracy theories that doubt or dispute what occurred at Sandy Hook. Various conspiracy theorists have claimed, for example...

Beginning in the 2010s, various media personalities promoted conspiracy theories claiming that exposure to endocrine disrupting chemical pollutants in...

transl. Saffron Love Trap) is an anti-Hindu conspiracy theory that originated in social media. The conspiracy theory alleges that Hindu men seduce muslim women...

executive director of the Black AIDS Institute in Los Angeles, conspiracy theories are becoming a barrier to the prevention of AIDS since people start...

A conspiracy theory is an explanation for an event or situation that asserts the existence of a conspiracy by powerful and sinister groups, often political...

many critics, and several theories about the disappearance were proposed. Some of these were described as conspiracy theories. Rob Brotherton, a lecturer...

The FEMA camps conspiracy theory is a belief, particularly within the American Patriot movement, that the United States Federal Emergency Management Agency...

The Clinton body count is a conspiracy theory centered around the belief that former U.S. President Bill Clinton and his wife, former U.S. Secretary of...

KYOO-ə-non or /ˈkjuːænɒn/ KYOO-an-on) is a far-right American political conspiracy theory and political movement that originated in 2017. QAnon centers on fabricated...

Judeo-Masonic conspiracy is an antisemitic and anti-Masonic conspiracy theory involving an alleged secret coalition of Jews and Freemasons. These theories are popular...

A Bible conspiracy theory is any conspiracy theory that posits that much of what is believed about the Bible is a deception created to suppress a secret...

called the Coudenhove-Kalergi Conspiracy, is a debunked far-right, antisemitic, white genocide conspiracy theory. The theory claims that Austrian-Japanese...

The Lost Cosmonauts or Phantom Cosmonauts are subjects of a conspiracy theory, which alleges that Soviet and Russian space authorities have concealed the...

in child grooming and enabling child sexual abuse is a far-right conspiracy theory and anti-LGBT trope. Although the belief that LGBT individuals are...

There are many conspiracy theories surrounding the death of Diana, Princess of Wales, on 31 August 1997. Official investigations in both Britain and France...