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All Geography (60) History (80) Science (40) Technology (40) Sports (40) Football (40) Movies & TV (80) Music (40) Nature & animals (40) Space & astronomy (40)
Best Animated Feature Oscar winners by date
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Densest metals
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Living beings by number of neurons
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Layers of the atmosphere by height
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Layers of the Earth by depth
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Fundamental forces by strength
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Human senses
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Gases in the Earth's atmosphere
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Fastest-growing plants
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Medical advances by date
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Temperatures in the universe from coldest to hottest
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Human body systems by number of organs
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Materials by hardness
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Waves of the electromagnetic spectrum by energy
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Great scientific discoveries by date
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Largest organs in the human body
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States of water by temperature
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Dinosaur films by date
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Great directors by their first film
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Milestones of superheroes at the Oscars by date
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Survival films by date
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Great film industries by origin
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Best Director Oscar winners by date
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Units of length from largest to smallest
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Materials by density (which ones float)
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Most abundant elements in the universe
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Solar system bodies by temperature
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Fast things in the universe by speed
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Longest bones in the human body
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Blood types by frequency in the world
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Living beings by genetic similarity to humans
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Legendary scientists by birth
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Most valuable tech companies
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Social networks with the most users
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Storage media by age
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Programming languages by date
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Data units from largest to smallest
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Video game consoles by date
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Best-selling video games in history
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Inventors and tech pioneers by birth
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Computer components by access speed
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Most visited websites in the world
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Evolution of the mobile phone by date
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Milestones of computing by date
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Most downloaded apps
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Great technological inventions by date
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Natural phenomena by energy released
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Animals by sharpness of their vision
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Strongest muscles in the human body
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Objects in the universe by size
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Kingdoms of living beings by number of species
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Everyday materials by hardness
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Liquids by boiling point
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Parts of the nervous system by number of neurons
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Cooking processes by temperature
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Chemical elements by age of their discovery
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Animals by number of hearts
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Largest volcanoes in the solar system
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Great theories of physics by date
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Groups of living beings by appearance on Earth
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Colors of light by wavelength
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Means of transport by top speed
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Family Christmas films by date
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Largest stadiums in the world
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Racket sports by court size
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Teams with the most NBA titles
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Extreme sports by age
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Women's tennis players with the most Grand Slams
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Sporting events with the largest audiences
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World records in horizontal jumps
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Team sports by year of invention
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National teams with the most Rugby World Cups
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Milestones of Chilean Olympic sport by date
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Oldest sports in history
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Top scorers in Champions League history
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World Cups by host country
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Swimming events by distance
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Legendary Formula 1 circuits by age
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Martial arts by age
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Top scorers for their national team
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Sports by top speed reached
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Great marathons of the world by age
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Legendary boxers by era
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All-time top scorers in NBA history
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Sports by size of the ball
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Swimming strokes by speed
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National teams with the most Copa América titles
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Track events by distance
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Team sports by players on the field
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Sports by their arrival at the Olympic Games
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Great cycling tours by age
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Most successful countries at the Winter Games
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Precision sports by age
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Best Picture Oscar winners (recent)
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Actors who played James Bond
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Films about time travel by date
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Technical milestones of classic cinema by date
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Classic comedies by date
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Film noir classics by date
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Great film awards of the world by founding
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Actors with the most films in their career
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Great historical epics by date
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Pirate films by date
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Robot films by date
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Space science-fiction sagas by start
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Great boxing films by date
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Natural disaster films by date
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Musician biopics in cinema by date
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Spy sagas by starting date
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Highest-grossing directors in history
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Martial-arts cinema by date
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Palme d'Or winners by date
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People with the most Oscars in history
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Great anime films by date
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Classic horror sagas by date
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Legendary trilogies by start
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Films with the most Oscar nominations (records)
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Classic Westerns by date
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Highest-grossing documentaries in history
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Classic Disney animated films by date
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Key Marvel Universe films by release
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Actresses with the most Best Actress Oscars
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Giant monster films by date
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Films about artificial intelligence by date
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DC superhero films by date
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Commercial milestones of football by date
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Famous pharaohs of ancient Egypt by era
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Everyday inventions by date
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Great international agreements by date
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Current monarchies by age
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Means of transport by date of invention
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Great inventors in history by birth
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Advances against disease by date
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River civilizations by age
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Great naval battles by date
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Famous works of art by date
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Great advances in rights by date
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Strongest earthquakes recorded
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Great trade routes by age
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Great centers of knowledge by age
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Great peaceful leaders by birth
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Independence of American countries by date
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Top scorers of a World Cup by edition
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Stages of prehistory by age
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Industrial revolutions by date
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Milestones of the space race by date
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Historic cities by founding
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Great walls and fortresses by age
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Great geographic discoveries by date
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Historic empires by population
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Great women scientists in history by birth
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Monuments of the ancient world by height
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Great wars of antiquity by date
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Great travelers in history by era
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Writing systems by age
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Famous Roman emperors by era
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Medical discoveries by date
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Largest countries in Africa
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Widest waterfalls in the world
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Continents by the length of their longest river
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Most populous islands in the world
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Largest deserts in the world (including cold ones)
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Countries with the most lakes in the world
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Most populous capital cities in the world
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Great canals and straits by age of use
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Countries with the highest average elevation
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Saltiest lakes and seas in the world
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Countries with the most Amazon rainforest
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Great volcanic eruptions by date
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Most touristic countries in the world by visitors
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Coldest inhabited places in the world
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Continents by number of countries
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Deepest seas in the world
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Great modern structures by date
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Great political revolutions by date
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Great Hispanic writers by birth
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Great pandemics in history by date
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Great women rulers by era
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Eras of life on Earth by age
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Great philosophers in history by birth
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Forms of money by age
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Great classical composers by birth
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Great events of the 20th century by date
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Countries with the most time zones
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Highest peak on each continent
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Most populous countries in Latin America
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Earth's extreme geographic records
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Football matches with the largest crowds in history
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Internet browsers and search engines by date
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Milestones of underwater exploration by date
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Milestones of the automobile by date
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Photographic technology by date
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Sources of electricity by energy generated worldwide
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Revolutionary materials by date
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Milestones of drones by date
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Generations of mobile networks by date
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Home appliances by date of invention
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Top scorers in World Cups
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Clubs with the most league titles in major European competitions
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Footballers with the most international caps
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