The assassination of John F. Kennedy and the possibility of a conspiracy involving multiple individuals or organizations.
The 9/11 terrorist attacks and theories about government involvement or prior knowledge.
The moon landing hoax theory, which suggests that the Apollo moon landings were staged by NASA.
The New World Order conspiracy, which posits the existence of a secretive group working to establish a global government.
The theory that the earth is flat and that evidence to the contrary is part of a larger conspiracy.
The theory of Chemtrails that claims that the visible trails left by aircrafts are chemical or biological agents deliberately sprayed for sinister purposes.
The theory that vaccines are a form of population control or are otherwise harmful to human health.
The theory of Reptilian humanoids that claims that a secret race of reptilian beings control human society.
The theory of the Illuminati, a secret society that allegedly controls world events.
The theory of the Bilderberg group, an annual invitation-only conference attended by approximately 130-140 of the world's most powerful people, with theories that the group controls world events.
