Pre-1900

88 theories

Unresolved

Suppressed Ancient Civilizations

Gobekli Tepe is 11,600 years old. The Sphinx may show water erosion. Graham Hancock says an advanced civilization preceded ours. Mainstream archaeology says no. Who's right?

1882 · Global
Anti-Vaccination Movement
Debunked

Anti-Vaccination Movement

The anti-vaccination movement from its 18th-century origins to the modern era. Examining claims about vaccine safety, the Wakefield fraud, and the evidence.

1796 · United Kingdom
Ark of the Covenant — Hidden Location Theories
Unresolved

Ark of the Covenant — Hidden Location Theories

The Ark of the Covenant disappeared from Biblical history around 586 BCE — theorists place it in Ethiopia (Axum), Ireland, France (Languedoc), Jerusalem's under

586 BCE · Israel
Atlantis — Lost Advanced Civilization
Debunked

Atlantis — Lost Advanced Civilization

Explore the Atlantis conspiracy theory from Plato's dialogues to Graham Hancock and the Richat Structure. Origins, key claims, evidence, and debunking.

360 BCE · Greece
Banking Corruption and Financial System Conspiracy
Mixed

Banking Corruption and Financial System Conspiracy

An examination of conspiracy theories about banking corruption, from the creation of the Federal Reserve to LIBOR rigging, money laundering, and the consolidation of financial power.

1694 · United Kingdom
Debunked

Nephilim / Biblical Giants — Archaeological Cover-Up

The theory that giant humanoid skeletons (8-12 feet) have been repeatedly found and systematically suppressed by the Smithsonian Institution to protect the Darw

1800 · United States
Confirmed

Diamonds Are Forever — Artificial Scarcity by De Beers

De Beers ran a confirmed monopoly on diamond supply for over a century while using the 1947 'A Diamond Is Forever' campaign to manufacture the tradition of diamond engagement rings and suppress resale markets.

1888 · South Africa
Election Manipulation Conspiracy Theories
Mixed

Election Manipulation Conspiracy Theories

A comprehensive look at election manipulation conspiracy theories, from mechanical vote rigging to electronic voting machine concerns and modern claims of systematic fraud.

1800s · United States
Flat Earth Theory
Debunked

Flat Earth Theory

How millions of people came to reject centuries of science and believe the Earth is flat — the history, the psychology, and the YouTube algorithm that supercharged a fringe belief into a global movement.

1849 · United Kingdom
Mixed

Freemason Founding Fathers — USA as Masonic Project

Many Founding Fathers were Freemasons — Washington, Franklin, and Revere among them. Theorists claim America was designed as a Masonic republic with occult geometry embedded in Washington DC's street plan.

1776 · United States
Freemasonry World Domination Conspiracy
Debunked

Freemasonry World Domination Conspiracy

Freemasonry conspiracy theories claim Freemasons secretly control governments, economies, and world events. Explore origins, key claims, and debunking.

1738 · Vatican City
Debunked

Freemasonry — New World Order Control Network

The theory that Freemasonry is a front for Illuminati world domination, with the 33rd degree Masons forming a secret inner circle that controls governments, banks, and media worldwide.

1717 · United Kingdom
Göbekli Tepe — Evidence of Pre-Flood Civilization
Unresolved

Göbekli Tepe — Evidence of Pre-Flood Civilization

Göbekli Tepe's T-shaped pillars dating to 9600 BCE — built by supposedly primitive hunter-gatherers — has forced a revision of when organized civilization began

9600 BCE · Turkey
Great Pyramid — Built with Lost or Advanced Technology
Unresolved

Great Pyramid — Built with Lost or Advanced Technology

The Great Pyramid's precision (less than 1cm error over 230 meters) and alignment to true north (accurate to 0.05 degrees) fuel theories that lost technology or alien assistance was involved.

2560 BCE · Egypt
Hollow Earth — Advanced Inner Civilization
Debunked

Hollow Earth — Advanced Inner Civilization

The theory that Earth is hollow and contains an advanced inner civilization (Agartha), accessible via polar openings — Admiral Byrd's alleged diary describes seeing the interior.

1692 · United Kingdom
Hollow Earth Theory
Debunked

Hollow Earth Theory

The Hollow Earth theory claims our planet contains vast interior civilizations accessible through polar openings. Explore its origins, key claims, and science.

1692 · United Kingdom
The Illuminati
Mixed

The Illuminati

The Bavarian Illuminati was a real secret society founded in 1776. Modern theories claim it survived and secretly controls world governments and banking.

1776 · Germany
Debunked

Illuminati Infiltration of Catholic Church

The theory that Adam Weishaupt's Bavarian Illuminati successfully infiltrated the Catholic Church, Freemasonry, and European governments before its 1785 dissolution — or never truly disbanded.

1776 · Germany
Jack the Ripper — The Identity Theories
Unresolved

Jack the Ripper — The Identity Theories

A comprehensive guide to the major suspects behind Jack the Ripper, from royal conspiracies to DNA evidence claims. The world's most famous unsolved murder case, examined.

1888-08-31 · United Kingdom
Knights Templar as Holy Grail Guardians
Unresolved

Knights Templar as Holy Grail Guardians

The theory that Knights Templar excavated beneath Solomon's Temple in Jerusalem and recovered the Holy Grail and Ark of the Covenant, keeping them hidden from the world.

1119 · Israel
Library of Alexandria — Deliberate Knowledge Suppression
Mixed

Library of Alexandria — Deliberate Knowledge Suppression

The Library of Alexandria's destruction — traditionally blamed on Julius Caesar, Christian Bishop Theophilus, or Arab Caliph Omar — may have been a sustained, deliberate campaign to suppress pre-Christian knowledge.

48 BCE · Egypt
Native American Genocide — Historical Erasure
Confirmed

Native American Genocide — Historical Erasure

The systematic erasure of Native American population collapse (estimated 55-90 million pre-contact) from US history curricula — reframed as 'westward expansion' rather than documented genocide.

1492 · United States
Unresolved

Oak Island Money Pit — Buried Templar/Masonic Treasure

The Oak Island Money Pit — discovered in 1795 with apparent man-made flooding mechanisms — has been attributed to Templar treasure, Shakespearean manuscript vault, or pirate gold, costing millions and several lives.

1795 · Canada
P2 Lodge — Italy's Masonic Shadow Government
Confirmed

P2 Lodge — Italy's Masonic Shadow Government

Propaganda Due (P2) was a confirmed Italian Masonic lodge that functioned as a shadow government — its membership list found in 1981 included ministers, judges, military leaders, and media barons.

1877 · Italy
Mixed

Rothschild Banking Dynasty Conspiracy Theories

A comprehensive examination of conspiracy theories about the Rothschild banking dynasty — separating documented history from antisemitic mythology and assessing their real influence.

1790 · Germany
Rothschild Family World Domination Theory
Debunked

Rothschild Family World Domination Theory

Examining claims that the Rothschild banking family controls world finance, governments, and wars. Origins, antisemitic roots, and what evidence actually shows.

1815 · United Kingdom
Mixed

Secret Societies

1776 · Germany
Shakespeare Authorship Question — Was He Real?
Unresolved

Shakespeare Authorship Question — Was He Real?

The Shakespeare Authorship Question asks whether William Shakespeare of Stratford wrote the plays attributed to him, given the lack of manuscripts, letters, or books in his estate and his limited documented education.

1785 · United Kingdom
Shroud of Turin — Authentic Burial Cloth of Jesus
Unresolved

Shroud of Turin — Authentic Burial Cloth of Jesus

Three independent carbon-14 tests dated the Shroud to 1260-1390 CE, but the Shroud's negative photographic image and 3D encoding remain unexplained — STURP scientists could not determine how the image formed.

1357 · France
Skull and Bones — Yale's Elite Secret Society
Mixed

Skull and Bones — Yale's Elite Secret Society

Skull and Bones is a real secret society at Yale University. Claims that its members control the US government and engage in occult rituals remain disputed.

1832 · United States
Smithsonian Institution Destroying Giant Skeletons
Debunked

Smithsonian Institution Destroying Giant Skeletons

The widely shared (false) claim that the Smithsonian Institution systematically collected and destroyed giant human skeletons found across North America in the 19th century to protect Darwinian theory.

1880 · United States
Unresolved

Sphinx Water Erosion --- Older Civilization Theory

Geologist Robert Schoch argues the Great Sphinx shows water erosion patterns consistent with rainfall only available in Egypt before 7000-10500 BCE, suggesting a much older lost civilization built it.

10500 BCE · Egypt
Vatican Satanic Worship Allegations
Debunked

Vatican Satanic Worship Allegations

The centuries-old claim that the Catholic Church is secretly a Satanic organization, dating from Protestant Reformation polemics and amplified by modern conspiracy theorists citing Vatican architecture as occult symbolism.

1517 · Global
Vatican Secret Archives --- Hidden Knowledge Conspiracy
Mixed

Vatican Secret Archives --- Hidden Knowledge Conspiracy

Theories that the Vatican's Apostolic Archive contains suppressed knowledge including proof of Jesus's marriage, the Ark of the Covenant's location, and contact with extraterrestrials.

1612 · Vatican City
History Written by Winners --- Systematic Suppression
Mixed

History Written by Winners --- Systematic Suppression

The broadly accepted thesis that official histories systematically exclude indigenous, female, and subaltern perspectives in favor of elite narratives, from Howard Zinn to modern historians.

1800 · Global
Yeti / Abominable Snowman --- Himalayan Cryptid
Unresolved

Yeti / Abominable Snowman --- Himalayan Cryptid

The Himalayan Yeti, reported by Sherpa communities for centuries and documented by British mountaineers, with DNA analysis of alleged samples pointing to bear species.

1889 · Nepal
Albert Pike's Three World Wars Letter Hoax
Debunked

Albert Pike's Three World Wars Letter Hoax

A letter allegedly from Albert Pike to Giuseppe Mazzini predicting three world wars — including a final war between 'Zionism and Islam' — is a confirmed hoax first referenced in 1925, yet it remains one of the most shared conspiracy documents online.

1871 · United States
Baghdad Battery — Ancient Electricity?
Unresolved

Baghdad Battery — Ancient Electricity?

Clay jars found near Baghdad containing copper cylinders and iron rods — discovered in 1936 — have been demonstrated to generate voltage when filled with acidic liquid. Did the ancients know about electricity?

250 BCE · Iraq
Ancient Knowledge Systematically Suppressed by Church
Mixed

Ancient Knowledge Systematically Suppressed by Church

The theory that early Christianity systematically burned libraries, persecuted natural philosophers, and destroyed texts that contradicted Christian cosmology — setting back civilization centuries.

300 · Roman Empire
Blood Libel — Jews Killing Children for Rituals
Debunked

Blood Libel — Jews Killing Children for Rituals

The medieval accusation that Jews murdered Christian children to use their blood in Passover rituals — a completely fabricated claim that led to massacres, expulsions, and pogroms across Europe for centuries.

1144 · England
Bohemian Grove Secret Rituals
Mixed

Bohemian Grove Secret Rituals

The Bohemian Grove is a real private retreat for elite men in California. Claims of occult rituals and shadow governance remain largely unsubstantiated.

1878 · United States
Mixed

British Royal Family Conspiracy Theories

The broad category of conspiracies surrounding the British Royal Family, from Diana's murder to Jack the Ripper theories, reptilian shapeshifter claims, and allegations of protected pedophile networks.

1888 · United Kingdom
Christopher Marlowe Faked Death and Wrote Shakespeare
Unresolved

Christopher Marlowe Faked Death and Wrote Shakespeare

The Marlovian theory holds that Marlowe faked his death in the 1593 Deptford stabbing and wrote the Shakespeare canon from exile to avoid charges of atheism.

1895 · United Kingdom
Scramble for Africa — Colonial History Whitewashed
Confirmed

Scramble for Africa — Colonial History Whitewashed

King Leopold II's Congo Free State (1885-1908) killed an estimated 10 million Congolese — largely omitted from Belgian history books until the 1990s and still absent from many European curricula.

1884 · Europe
Diamond Resale Value Myth / Engineered Illiquidity
Confirmed

Diamond Resale Value Myth / Engineered Illiquidity

De Beers deliberately built a retail market with no buy-back mechanism, trapping consumers in an illiquid asset that loses 50% of its value upon purchase — a designed feature, not a bug.

1888 · South Africa
Dogman / Werewolf — Michigan Beast
Unresolved

Dogman / Werewolf — Michigan Beast

An upright bipedal canine entity reported across Michigan and Wisconsin — the Beast of Bray Road reports in the 1990s documented by journalist Linda Godfrey generated hundreds of additional sightings.

1887 · United States
Celebrity Faked Death Theories (Overview)
Debunked

Celebrity Faked Death Theories (Overview)

The broader pattern of 'they faked their death' theories surrounding celebrities — from Elvis to Tupac to Hitler — examining why these narratives emerge, persist, and what they reveal about grief, fame, and conspiratorial thinking.

1890 · United States
Francis Bacon as the True Author of Shakespeare
Unresolved

Francis Bacon as the True Author of Shakespeare

The Baconian theory holds that philosopher and polymath Francis Bacon wrote Shakespeare's plays, hiding authorship to avoid political repercussions -- with ciphers allegedly embedded in the First Folio.

1769 · United Kingdom
Freemason Police / Judicial Network — Institutional Bias
Mixed

Freemason Police / Judicial Network — Institutional Bias

UK parliamentary inquiries and police investigations have raised concerns that Masonic membership among police, judges, and lawyers creates institutional bias favoring fellow members.

1877 · United Kingdom
Jersey Devil -- Pine Barrens, New Jersey
Unresolved

Jersey Devil -- Pine Barrens, New Jersey

The Leeds Devil, reported since 1735 in New Jersey's Pine Barrens -- described as a kangaroo-like creature with bat wings and a forked tail. Nearly three centuries of sightings, hoaxes, and folklore make it America's oldest cryptid.

1735 · United States
Knights Templar Baphomet Worship Accusations
Unresolved

Knights Templar Baphomet Worship Accusations

During the 1307 trials of the Knights Templar, confessions extracted under torture claimed they worshipped an idol called Baphomet. Were the charges political fabrication, or did the Templars harbor secret rites?

1307 · France
Knights Templar Origin of Freemasonry
Unresolved

Knights Templar Origin of Freemasonry

The popular theory that surviving Knights Templar fled to Scotland after their 1307 suppression and founded Freemasonry — examining the evidence, the legends, and the Masonic tradition.

1307 · France
Lemuria / Mu -- Lost Pacific Civilization
Debunked

Lemuria / Mu -- Lost Pacific Civilization

Lemuria began as a serious Victorian scientific hypothesis to explain lemur fossils. It was hijacked by Theosophists, reinvented as the lost continent of Mu, and became one of the most persistent alternative history myths of the modern era.

1864 · United Kingdom
Lost Cause of the Confederacy
Debunked

Lost Cause of the Confederacy

After losing the Civil War, the South won the narrative. The 'Lost Cause' rewrote history, turned slaveholders into heroes, and convinced generations of Americans the war wasn't about slavery. The Confederates' own words prove otherwise.

1866 · United States
Washington DC Occult / Masonic Street Geometry
Debunked

Washington DC Occult / Masonic Street Geometry

Conspiracy theorists claim Washington DC's street layout encodes Masonic pentagrams, Satanic geometry, and occult symbols -- designed by Freemason architects as a hidden power map. The actual history is less sinister and more interesting.

1791 · United States
Unresolved

Mokele-Mbembe — Congo River Living Dinosaur

Congo Basin tribes have reported a massive river creature for centuries that researchers like Roy Mackal have argued could be a surviving sauropod dinosaur — multiple Western expeditions have found no proof.

1776 · Democratic Republic of Congo
Ogopogo — Okanagan Lake, Canada
Unresolved

Ogopogo — Okanagan Lake, Canada

The Ogopogo — known as N'ha-a-itk to indigenous Okanagan people — has been reported for centuries. Several videos purporting to show a large creature have been analyzed but not definitively explained.

1872 · Canada
Pre-Columbian Contact Suppressed -- Phoenicians in America
Unresolved

Pre-Columbian Contact Suppressed -- Phoenicians in America

The theory that Phoenician, Celtic, Chinese, and other Old World civilizations reached the Americas long before Columbus, and that mainstream archaeology has suppressed the evidence.

1000 BCE · Global
Unresolved

Rapture Theology / Dispensationalist End Times

Dispensationalist theology holds that Biblical prophecy in Revelation maps to modern geopolitical events, with Israel's existence and Jerusalem as prophetic triggers for the tribulation and rapture.

1830 · United Kingdom
Rennes-le-Chateau Treasure Mystery
Mixed

Rennes-le-Chateau Treasure Mystery

Why did a poor French village priest suddenly become wealthy in 1891? Theories propose Cathar treasure, Templar gold, Vatican secrets, or Merovingian bloodlines hidden in the tiny Pyrenean church.

1891 · France
Debunked

Rothschild Waterloo Battle Profiteering Myth

The false story that Nathan Rothschild used advance knowledge of Napoleon's defeat at Waterloo to crash and then corner the London stock market, debunked by historians and archival research.

1815 · United Kingdom
Rothschild War Financing / War Profiteering
Mixed

Rothschild War Financing / War Profiteering

The theory that the Rothschild family deliberately financed both sides of major wars to profit regardless of outcome. Examining the real banking history behind one of the oldest antisemitic conspiracy theories.

1815 · Europe
Shambhala / Shangri-La — Hidden Civilization in Tibet
Debunked

Shambhala / Shangri-La — Hidden Civilization in Tibet

The legend of Shambhala, a hidden kingdom in the Himalayas, inspired Nazi expeditions, Theosophist occultism, and enduring myths of a secret civilization. Here's the full story.

900 · Tibet
Unresolved

Skinwalker Ranch -- Navajo Curse / Skinwalker Origin

Navajo and Ute tribal traditions identify the Skinwalker Ranch property as cursed land. Skinwalkers (yee naaldlooshii) are malevolent witches in Navajo tradition who can assume animal form.

1800 · United States
Unresolved

Spontaneous Human Combustion

Cases of human bodies burned to ash while surroundings remain largely undamaged. Examining the wick effect, notable cases like Mary Reeser and Michael Faherty, and what science says about SHC.

1663 · Global
Stonehenge — Acoustic Levitation / Lost Building Technique
Debunked

Stonehenge — Acoustic Levitation / Lost Building Technique

Stonehenge's 25-ton stones were moved 150 miles from Wales without wheels or draft animals. Some theorists claim acoustic levitation or lost technology did the job. Here's what we actually know.

3000 BCE · United Kingdom
Templar Treasure at Rosslyn Chapel
Debunked

Templar Treasure at Rosslyn Chapel

The debunked theory that Rosslyn Chapel in Scotland conceals Knights Templar treasure, the Holy Grail, or ancient scrolls beneath its elaborately carved walls. From medieval legend to Da Vinci Code phenomenon.

1446 · Scotland
Debunked

Jesuit Order / Black Pope World Domination

The theory that the Jesuit Superior General — nicknamed the 'Black Pope' — runs the Vatican from behind the scenes and controls global finance, politics, and intelligence agencies.

1540 · Spain
The Voynich Manuscript
Unresolved

The Voynich Manuscript

Written in an unknown script with bizarre botanical illustrations, the Voynich Manuscript has defeated every codebreaker who's tried — including the team that cracked Japan's PURPLE cipher.

1404 · Unknown
Mixed

Younger Dryas Impact — Comet Destroyed Advanced Civilization

Did a comet strike 12,800 years ago destroy an advanced civilization? Explore the Younger Dryas Impact Hypothesis, Graham Hancock's claims, Göbekli Tepe, and the scientific debate.

10800 BCE · Global
Abiotic Oil Conspiracy
Debunked

Abiotic Oil Conspiracy

The theory that oil is continuously generated deep within Earth — not from ancient organisms — and that peak oil is a fraud. The Russian origins, the science, and why it's wrong.

1877 · Russia
Unresolved

Almas — Central Asian Wildman

Reports of Almas — primitive humanoids — across Central Asia and Siberia have led some researchers to theorize they represent surviving populations of Neanderthals

1420 · Mongolia
Mixed

Alumbrados — Spanish Illuminati Precursor

The Alumbrados were a 15th-century Spanish mystical sect persecuted by the Inquisition. Some theorists link them to a continuous underground stream of secret knowledge that became the Illuminati.

1492 · Spain
Ancient Nuclear War — Mohenjo-Daro Evidence
Debunked

Ancient Nuclear War — Mohenjo-Daro Evidence

Theorists claim vitrified structures at Mohenjo-Daro and references to 'Brahmastra' weapons in the Mahabharata prove ancient nuclear warfare — archaeological evidence points to other explanations.

2000 BCE · Pakistan
Concave (Cellular) Earth Theory
Debunked

Concave (Cellular) Earth Theory

The fringe belief that humanity lives on the interior surface of a hollow sphere, with the Sun, Moon, stars and the rest of the universe contained within it.

1869 · United States
Earthquake Machines & Tectonic Weapons
Debunked

Earthquake Machines & Tectonic Weapons

Claims that governments possess earthquake-triggering technology based on Tesla's resonance theories. The history, the science, and why it doesn't work.

1896 · United States
Expanding Earth Theory
Debunked

Expanding Earth Theory

The Expanding Earth theory claims our planet has grown significantly over geologic time. Once a serious hypothesis, now debunked by satellite geodesy and plate tectonics.

1889 · International
Evolution as Conspiracy Against God
Debunked

Evolution as Conspiracy Against God

The creationist narrative that evolutionary biology is a pseudo-scientific conspiracy promoted to undermine religious faith and moral order, with Darwin's theory alleged to be fundamentally fraudulent.

1859 · United States
Confirmed

James Garfield Assassination (Malpractice Conspiracy)

Charles Guiteau shot President Garfield in 1881. The bullet wasn't fatal. Garfield's doctors — who spent 80 days probing the wound with unwashed hands — killed him. Guiteau's defense: 'The doctors did it, not me.'

1881-07-02 · United States
Gunpowder Plot — State Entrapment of Catholics?
Unresolved

Gunpowder Plot — State Entrapment of Catholics?

The 1605 plot to blow up Parliament is real. But was spymaster Robert Cecil pulling the strings all along — letting the conspiracy proceed to give King James the pretext he needed to crush English Catholics?

1605-11-05 · England
Homeopathy Suppressed by Medical Establishment
Debunked

Homeopathy Suppressed by Medical Establishment

The claim by homeopathy advocates that their practice is suppressed not because it lacks evidence but because it threatens pharmaceutical revenues -- despite systematic reviews consistently finding effects indistinguishable from placebo.

1810 · Germany
Hyperborea — Arctic Paradise / Lost Nordic Civilization
Debunked

Hyperborea — Arctic Paradise / Lost Nordic Civilization

Ancient Greeks wrote of a paradise beyond the north wind. Theosophists claimed it as the birthplace of a master race. The Nazis sent expeditions to find it. Hyperborea's journey from myth to conspiracy theory is a cautionary tale about the weaponization of legend.

700 BCE · Greece
Judeo-Masonic World Domination Conspiracy
Debunked

Judeo-Masonic World Domination Conspiracy

The foundational antisemitic conspiracy theory that Jews and Freemasons are conspiring together to destroy Christian civilization and establish world domination -- a fusion of two paranoid traditions with devastating historical consequences.

1797 · France
Lincoln Assassination: Wider Conspiracy
Confirmed

Lincoln Assassination: Wider Conspiracy

The confirmed conspiracy involving John Wilkes Booth and co-conspirators to simultaneously kill Lincoln, Vice President Johnson, and Secretary of State Seward —

1865 · United States
The Assassins (Nizari Ismailis) & Modern Successors
Mixed

The Assassins (Nizari Ismailis) & Modern Successors

Hassan-i Sabbah's Assassins were real — a Nizari Ismaili sect that used political murder as state policy from their mountain fortress at Alamut. But did they really survive to influence the Templars, Freemasons, and modern intelligence agencies?

1090 · Persia
Debunked

Knights Templar Discovered America Before Columbus

The debunked theory that Knights Templar explorers reached North America before Columbus — examining the Henry Sinclair voyage, Newport Tower, Kensington Runestone, and Oak Island.

1398 · Scotland
True Cross Fragment Industry / Relic Fraud
Mixed

True Cross Fragment Industry / Relic Fraud

John Calvin joked that enough fragments of the True Cross existed to build a ship. Medieval relic fraud was a confirmed Church-wide industry generating massive pilgrimage revenues.

326 · Roman Empire
USS Maine — Sinking That Started a War
Unresolved

USS Maine — Sinking That Started a War

The 1898 explosion of the USS Maine in Havana Harbor killed 260 sailors and was used to justify the Spanish-American War. Was it a Spanish mine, an accident, or a deliberate false flag?

1898 · United States