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Unsolved Mysteries

There's a lot of things we don't know, can you uncover at least some of the mystery?
Quiz by
Smartypants3150
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Last updated: May 17, 2026
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First submittedMay 17, 2026
Times taken12
Average score40.0%
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Hint
Mystery
Date of mystery
International flight planned to fly to Beijing goes missing
Malaysia Airlines Flight 370
March 8, 2014
Potential undiscovered planets beyond this celestial body
Neptune
1846–
Real identity of "Satoshi Nakamoto," the person who created this
Bitcoin
Late 2000s
Identity of the perpetrators bombing this street in Manhattan
Wall Street
September 16, 1920
"Plague" in Strasbourg that caused people to do this action
Dance
1518
Highly secretive US base in Nevada
Area 51
1955–
Emergence of this biological process from dead matter
Life
?
A "Lost Colony" of Sir Walter Raleigh, all ~120 colonists disappeared
Roanoke Colony
1590
If you replace all parts of a ship, is it still the same ship?
Ship of Theseus
?
Existence of this Ancient Wonder of the World
Hanging Gardens of Babylon
~600 BC
Fate or whereabouts of 3 prison escapists from this island prison
Alcatraz
June 11, 1962
Whether Egypt or Sudan owns this area which neither claim
Bir Tawil
1902–
What exactly this fictional treasure is, also the name of the anime/manga it's from
One Piece
1997–
Cause for the societal collapse in this time period
Bronze Age Collapse
Late 13th–early 12th century BC
Hypothetical form of matter that makes up 26.8% of the universe
Dark matter
?
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2 Comments
FreeStater
+1
Level 81
May 20, 2026
I LIKE THIS QUIZ. A LOT!
XYU
+1
Level 62
May 23, 2026
Ha ha, me too; it's pretty original and has got me looking up some fascinating things.

I would say "from inanimate matter", but each to his own with that sort of thing.

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