Decades
Conspiracy theories sorted by the decade they originated or first gained traction. 778 theories spanning centuries of suspicion and secrecy.
Pre-1900
89 theoriesSuppressed Ancient Civilizations · Anti-Vaccination Movement · Ark of the Covenant — Hidden Location Theories
The 1900s
18 theoriesFree Energy Suppression · Government Cover-Ups — A Documented History · Nikola Tesla's Inventions Suppressed by JP Morgan / Edison
The 1910s
17 theoriesThe Federal Reserve Conspiracy · Federal Reserve Is a Private Bank Conspiracy · Jekyll Island Secret Meeting (Fed Creation)
The 1920s
9 theoriesPhoebus Cartel — Lightbulb Planned Obsolescence · Council on Foreign Relations as Shadow Government · Edward de Vere (Oxfordian) Shakespeare Theory
The 1930s
23 theoriesBusiness Plot — Attempted Fascist Coup Against FDR · Cambridge Five — British Intelligence Penetrated by KGB · Suppressed Cancer Cures
The 1940s
35 theoriesExtraterrestrial Life Cover-Up · Five Eyes — Global Surveillance Alliance · Lost Gospels / Gnostic Texts Suppressed by Church
The 1950s
44 theoriesArea 51 · Bermuda Triangle — Ships and Aircraft Disappear · Big Pharma Suppression
The 1960s
72 theoriesThe 27 Club Curse · Alien Abductions · Anunnaki & Ancient Aliens Theory
The 1970s
60 theoriesAnunnaki — Ancient Alien Gods of Sumer · Big Oil Climate Denial Funding — Exxon Knew · Elvis Presley Is Still Alive
The 1980s
65 theories2012 Mayan Calendar Apocalypse · AIDS as US Government Bioweapon · Global Warming / Climate Change Hoax
The 1990s
94 theoriesChemtrail Conspiracy Theory · El Chupacabra — Goat Sucker · David Icke & The Reptilian Elite Theory
The 2000s
75 theoriesWorld Trade Center Controlled Demolition Theory · 9/11 Conspiracy Theories · Satoshi Nakamoto Identity Conspiracy
The 2010s
108 theories5G Health & Control Conspiracy · Adrenochrome Harvesting Conspiracy Theory · Agenda 2030 & Great Reset Conspiracy
The 2020s
65 theories2020 US Presidential Election Fraud · 5G Caused / Spread COVID-19 · The 764 Network