User:Paradoctor/Outer Space Mongol From the Future

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Guess which article is in all these categories? [ as of 2014-07-04 ]

• Category:18th-century philosophers
• Category:20th century
• Category:21st-century military alliances
• Category:3rd millennium
• Category:4th-century BC Greek people
• Category:Actuarial science
• Category:Anti-communist organizations
• Category:Application software
• Category:Aquatic biomes
• Category:Arab
• Category:Artificial intelligence
• Category:Astrobiology
• Category:Barred spiral galaxies
• Category:British Overseas Territories and Crown Dependencies
• Category:Centuries in the future
• Category:Chile
• Category:Chinese society
• Category:Christianity of the Middle Ages
• Category:Comics industry
• Category:Computational biology
• Category:Corporatese
• Category:Database providers
• Category:Deontological ethics
• Category:Dialectology
• Category:Digital media
• Category:Economics of uncertainty
• Category:Electromagnetic radiation
• Category:Ethnic groups in Africa
• Category:Euclidean geometry
• Category:Euthenics
• Category:Exoplanetology
• Category:Experimental physics
• Category:Extinct animals
• Category:Film theory
• Category:Financial crime prevention
• Category:Food politics
• Category:Foreign relations of San Marino
• Category:Formalism (deductive)
• Category:Fossils
• Category:Futurology
• Category:G20 nations
• Category:Gaming
• Category:Gases
• Category:Government databases
• Category:History of Germany in the Middle Ages
• Category:History of Italy
• Category:History of the United States (1945–64)
• Category:Holy Roman Empire
• Category:Human head and neck
• Category:Human spaceflight
• Category:Hypothetical life forms
• Category:Immanuel Kant
• Category:Index numbers
• Category:Indigenous peoples
• Category:Information technology companies
• Category:Interstellar media
• Category:Kalmykia
• Category:Kantianism
• Category:Kinematics
• Category:Knowledge representation
• Category:Landlocked countries
• Category:Large-scale structure of the cosmos
• Category:Living arrangements
• Category:Machines
• Category:Man-made disasters
• Category:Manifolds
• Category:Marxist theory
• Category:Measure theory
• Category:Member states of NATO
• Category:Mereology
• Category:Meteorology
• Category:Military operations involving the United States
• Category:Milky Way Subgroup
• Category:Modern European colonies
• Category:Mongols
• Category:Netherlands
• Category:New Zealand
• Category:Non-equilibrium thermodynamics
• Category:Nuclear warfare
• Category:Objects within 10 Mly of Earth
• Category:Organizations established in the 20th century
• Category:Outer space
• Category:Paleoanthropology
• Category:Periods and stages in archaeology
• Category:Philosophy of life
• Category:Philosophy of love
• Category:Philosophy of mathematics
• Category:Planemos
• Category:Planetary habitability
• Category:Plastic arts
• Category:Plate tectonics
• Category:Postmodern theory
• Category:Prehistoric tetrapods
• Category:Preparation for the future
• Category:Proposed populated places
• Category:Propositional attitudes
• Category:Quantum mechanics
• Category:Radio astronomy
• Category:Residential buildings
• Category:Science software
• Category:Search for extraterrestrial intelligence
• Category:Sentences by type
• Category:Sociocultural globalization
• Category:Soft matter
• Category:Solid state engineering
• Category:Space colonization
• Category:Spacetime
• Category:Special relativity
• Category:Special territories of the European Union
• Category:Extraterrestrial life
• Category:Superpowers
• Category:Sustainable gardening
• Category:Synapsids
• Category:Syria
• Category:Transparent materials
• Category:Unsolved problems in neuroscience
• Category:Video
• Category:Vortices
• Category:Wireless

and my two favorites

• Category:Nonsense
• Category:Nothing