Verdict: Mixture
Verdict: Unproven
Moberly-Jourdain Incident (the Versailles Time Slip)
Versailles, Yvelines August 10, 1901
Verdict: Legend
Mineral Springs Hotel
Alton, Illinois 1914 to 1971
Verdict: Unproven
Michael Rosenblum
Baldwin, Pennsylvania February 14, 1980
Verdict: Unproven
The Death of Meriwether Lewis
Hohenwald, Lewis County October 11, 1809
Verdict: Mostly False
The Mecklenburg Declaration of Independence
Charlotte, Mecklenburg County May 20, 1775
Verdict: Mixture
The McCalla Hum
McCalla, Alabama c. May 2011
Verdict: True
Martin Guerre
Artigat, Ariège 1548 to September 16, 1560
Verdict: False
Mars Polar Lander
South Polar Region, Mars December 3, 1999
Verdict: False
The Doorway on Mars
Mount Sharp, Gale Crater May 7, 2022
Verdict: Unproven
Marree Man
Marree, South Australia June 26, 1998
Verdict: Mostly False
The Death of Marilyn Monroe
Brentwood, Los Angeles August 4, 1962
Verdict: Unproven
The Margate Shell Grotto
Margate, Kent c. 1835
Verdict: Legend
Manteno State Hospital
Manteno, Illinois December 1930 to December 31, 1985
Verdict: Mostly False
The Mantell UFO Incident
Fort Knox, Kentucky January 7, 1948
Verdict: Hoax
Manresa Castle
Port Townsend, Washington 1892 to May 2004
Verdict: Misattributed
The Mandela Effect
Chicago, Illinois c. 2009
Verdict: Legend
The Man in the Iron Mask
Île Sainte-Marguerite, Alpes-Maritimes July 19, 1669 to November 19, 1703
Verdict: Unproven
Mallory and Irvine on Everest
Mount Everest, Tibet Autonomous Region June 8, 1924
Verdict: Hoax
Majestic 12
Albuquerque, New Mexico December 11, 1984
Verdict: Legend
The Mahogany Ship
Warrnambool, Victoria 1836 to 1881
Verdict: Unproven
The Death of Magdalena Żuk
Marsa Alam, Red Sea Governorate April 25–30, 2017
Verdict: False
Luna 3 and the “Dark Side” of the Moon
Far Side, Moon October 7, 1959
Verdict: Unproven
The Disappearance of Louis Le Prince
Dijon, France September 16, 1890