People Are Sharing Their Favorite Historical Conspiracy Theories And I'm Polishing Off My Tinfoil Hat

The Plan of San Diego was a manifesto of chartless origins that fundamentally called for the secession of Texas, Colorado, Arizona, California, and New Mexico into an autarkic territory that would aboriginal articulation forces with Mexico. The astir contentious portion of the manifesto included the sidesplitting of each achromatic men implicit the property of 16 who lived the aforementioned states. 

The conspiracy of it each comes from the information that a) nary 1 knows who authored the manifesto and b) radical believed it to beryllium thing that originated successful Mexico and sent to the bordering States successful the hopes of causing dissent oregon adjacent sparking an uprising. 

— suggested by Intelligent-Soup-836

D.B. Cooper was the alias of an unidentified antheral who hijacked Flight 305 from Portland, Oregon to Seattle, Washington and held it astatine ransom for $200,000. 

The conspiracy mentation is that radical judge that D.B. Cooper ne'er existed and helium was made up by the 4 formation attendants connected committee who ended up splitting the ransom. 

— suggested by Yummy_Crayons91

The Donation of Constantine was a decree signed by Constantine the Great successful which helium transferred the authorization of Rome implicit to the Pope successful the 4th. 

The conspiracy/truth is that the decree was really recovered to beryllium a forgery successful the 1400s, but by then, the Pope and the Catholic Church already had important power implicit astir of Europe and the world. 

— suggested by Sea_Concert4946

In 1991, German historiographer Heribert Illig projected that Otto III and Pope Sylvester II fabricated astir 300 years of past truthful that Otto III's reign arsenic Holy Roman Emperor would surpass past 1000 ACE (thought to beryllium a important number/year.) This would mean that well-documented portions of history, including the beingness of Charlemagne — known for uniting Central and Western Europe aft the autumn of the Western Roman Empire — were wholly fabricated.

Historians person since debunked this theory, though determination are inactive immoderate fringe historians who judge successful its validity. 

— suggested by CaptainM4gm4

In 1963, President John F. Kennedy was assassinated by Lee Harvey Oswald erstwhile the second changeable 3 bullets into the statesmanlike motorcade with the 3rd 1 being the fatal shot. 

However, conspiracists judge that Oswald lone fired 2 of the shots and that the 3rd changeable was accidentally fired by an undertrained Secret Service cause who accidentally deployed his limb aft proceeding the archetypal 2 shots, which accidentally killed President Kennedy. Oswald is the lone idiosyncratic connected grounds for sidesplitting President Kennedy; however, determination are a batch of radical who judge that the 3rd slug could person travel from the agent. 

— suggested by ChicagoJohn123

In 1898, the USS Maine was headed to Havana, Cuba, successful bid to support American interests; however, an detonation connected the vessel led to the vessel sinking and the decease of astir everyone connected board. This lawsuit was the catalyst for the Spanish-American War. 

Conspiracists judge that, alternatively than the detonation being an mishap oregon incited by the Spanish, it was really an wrong occupation done by the United States successful bid to person a crushed to spell to warfare with Spain. 

— suggested by AllSmiledUp

Charles Manson was a known cult person who led the Manson Family, infamously known for the execution of Sharon Tate and her friends. 

Conspiracists judge that Charles Mason was progressive with the CIA's MKUltra program, a not-so-legal quality experimentation programme wherever the CIA would make and place drugs to beryllium utilized during interrogations and to adjacent unit confessions done intelligence and intelligence torture and brainwashing.

— suggested by Anonymous

Conspiracists judge that the unforeseen sinking of the Titanic was neither unforeseen nor the Titanic. Some judge that what past documented arsenic the Titanic was really its sister ship, the Olympic, and that the sinking was orchestrated by JP Morgan successful bid to termination disconnected a radical of millionaires known to beryllium connected the boat. 

— suggested by PigHillJimster

William Shakespeare is simply a antheral who needs nary instauration — Romeo & Juliet, Macbeth, Othello, and A Midsummer's Night's Dream are conscionable a fewer of the celebrated plays that he's penned. 

However, conspiracists judge that the antheral known arsenic William Shakespeare didn't really constitute immoderate of the plays attributed to his sanction — theories scope from Shakespeare being a pseudonym for a nobleman who didn't privation radical to cognize his individuality to Shakespeare being an amalgamation of aggregate radical alternatively than 1 person. 

— suggested by Kolah-KitKat-4466

Tom Clancy's Jack Ryan bid follows the titular character, who becomes a CIA operative and embarks connected harrowing missions. 

Conspiracists judge that the bid was utilized arsenic pro-CIA propaganda, particularly aft President Ronald Reagan publicly praised the novel.  

— suggested by RetiredEelCatcher

Though this mentation is wholly debunked, determination are those who inactive believe that we faked the satellite landing successful bid to triumph the Space Race (which, to beryllium clear, we won just and quadrate erstwhile we did, successful fact, onshore connected the moon).

– suggested by -SnarkBlac-