Here Are 30 Of The Greatest Conspiracy Theories In History

The world is full of conspiracy theories. These 30 you’re about to read below are some of history’s greatest and most controversial conspiracy theories.

According to Wikipedia, There are many unproven conspiracy theories of varying degrees of popularity, frequently related to but not limited to clandestine government plans, elaborate murder plots, suppression of secret technology and knowledge, and other supposed schemes behind certain political, cultural, and historical events.

1. Chemtrails


Chemtrail conspiracy theorists believe that chemicals are deliberately sprayed into the air by unmarked planes.

2. Global warming is a hoax


Climate change opponents believe that global warming is a hoax to get people to accept higher tax rates.

3. The Aids virus was created in a laboratory


Based on the theories of Dr William Campbell Douglass, many believe that that HIV was genetically engineered in 1974 by the World Health Organization, the CIA and the KGB in order to control the world population.



More than 200 miles east of Anchorage, Alaska, is the Pentagon’s High-frequency Active Auroral Research Program, is believed to be a weapon that can control weather patterns.

5. Plastic coffins and concentration camps


Just outside Atlanta, Georgia, beside a major road are approximately 500,000 plastic coffins. Theorists believe this is where FEMA will store the bodies of dead Americans during this New World Order take over.

6. The 2004 Indian Ocean tsunami


Many people believed that an Indian nuclear experiment cause the tsunami and attempted to wipe out the population in the area.

7. Fluoridation


Believed to be caused by pharmaceutical companies in order to keep people going to their doctors since a healthy nation isn’t profitable. It is also believed that fluoride dumbs down mental capabilities and has been banned in several countries.

8. Pan Am Flight 103

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Pan Am Flight 103 was Pan American’s third daily scheduled transatlantic flight from Heathrow to New York John F. Kennedy International Airport. On December 21, 1988, a protected drug route from Europe to the United States – allegedly called Operation Corea -, which allowed Syrian drug dealers to ship heroin to the US using Pan Am flights.

Another version of this theory is that the CIA knew in advance this exchange would take place, but let it happen anyway, because the protected drugs route was a rogue operation, and the American intelligence officers on the flight had found out about it, and were on their way to Washington to tell their superiors.

9. The Philadelphia Experiment


According to some beliefs, the scientists on the experiment found a way to bend light around the ship but that the experiment went wrong and Eldridge was transported through space and time, reappearing at sea.

10. Pearl Harbor


Theorists believe that President Roosevelt provoked the Japanese attack on the US naval base in Hawaii in December 1941, knew about it in advance and covered up his failure to warn his navy commanders in order to go to war with Japan.

11. The peak oil conspiracy


The peak oil conspiracy theorists believe that peak oil is a fraud concocted by the oil industries to increase prices amid concerns about future supplies and the belief that it is a scarce commodity.

12. The Protocols of the Elders of Zion


This theory claims that the “elders,” will run the world through control of the media and finance, and replace the traditional social order with one based on mass manipulation.

13. Harold Wilson was a Soviet agent


Soviet traitor Anatoliy Golitsyn is thought to have claimed that Wilson was a KGB spy.

14. Black or unmarked helicopters


An alleged symbol and warning sign of a military takeover of part or all of the United States. Rumours would circulate that, for instance, the United Nations patrolled the US with black helicopters, or that federal agents used black helicopters to enforce wildlife laws.

In Britain, a similar conspiracy theory known as “phantom helicopters” has been reported since the mid 1970s.

15. The Moscow apartment bombings


Remember that spy who was poisoned by the Russians? Aleksey Galkin and former FSB officer the late Alexander Litvinenko (who was killed with Polonium-210 in London in November 2006) accused the Russian government of the apartment bombings to justify the second Russian war against Chechnya.

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