Conspiracy theory quiz: Test your knowledge of unfounded beliefs, from flat Earth to lizard people

From speculation that JFK’s assassination was an “inside job” to claims that vaccines contain microchips, the world is awash with conspiracy theories. The term was coined in the 1860s, appearing in a letter in The New York Times that discussed British support during the Civil War.

Fast-forward 150 years, and conspiracy theories are more prevalent than ever, which can be put down to the rise of social media, the spread of disinformation and a number of psychological factors — including a need to make sense of the world.