Yes, the biggest terrorist attack which has taken place in the world is actually a conspiracy theory. People believe that the United States of America actually planted the attack themselves. They claim that the towers cannot come down due to jet fuel only.
An unknown object crashed near Roswell, New Mexico back in 1947 and people believe that there might be aliens involved. The US government did not acknowledge Area 51 until 2003 and now people have all the more reasons to believe that it was a UFO that landed in 1947.
Probably one of the biggest conspiracy theories in the world right now. The first ever moon landing that took place, people actually believe that it never happened and it was filmed by a director on this planet. They claim that since there is absolutely no wind on the moon, how the flag in the picture is flying.
New World Order
Most recently the Zionist occupation has actually taken over the minds of many people. They claim that these Zionists are polluting their minds through different TV channels and other events which have taken place. They claim that now they want to govern the people’s mind in order to take over the world.