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Ricardo Montalbán - (Ricardo Montalbán)
Rice - (Rice)
Richard Arkwright - (Richard Arkwright)
Richard Briers - (Richard Briers)
Richard Burton - (Richard Burton)
Richard Dawkins - (Richard Dawkins)
Richard Feynman - (Richard Feynman)
Richard Hawley (actor) - (Richard Hawley (actor))
Richard Henderson - (Richard Henderson)
Richard I of England - (Richard I of England)
Richard III of England - (Richard III of England)
Richard Mentor Johnson - (Richard Mentor Johnson)
Richard Nixon - (Richard Nixon)
Richard Owen - (Richard Owen)
Richard R. Schrock - (Richard R. Schrock)
Richard Roberts - (Richard Roberts)
Richard Rodgers - (Richard Rodgers)
Richard Stallman - (Richard Stallman)
Richard Wagner - (Richard Wagner)
Richmond Park - (Richmond Park)
Richmond railway station, Melbourne - (Richmond railway station, Melbourne)
Richmond, Victoria - (Richmond, Victoria)
Richmond, Virginia - (Richmond, Virginia)
Richter scale - (Richter scale)
Rick Perry - (Rick Perry)
Rick Ross - (Rick Ross)
Rickey with the Tuft - (Rickey with the Tuft)
Ricki Lake - (Ricki Lake)
Rickrolling - (Rickrolling)
Ricky Martin - (Ricky Martin)
Riemann hypothesis - (Riemann hypothesis)
Rifle - (Rifle)
Right Livelihood Award - (Right Livelihood Award)
Right to a fair trial - (Right to a fair trial)
Right to an adequate standard of living - (Right to an adequate standard of living)
Right-hand rule - (Right-hand rule)
Rigveda - (Rigveda)
Rihanna - (Rihanna)
Rijksmuseum - (Rijksmuseum)
Rikidōzan - (Rikidōzan)
Rima River - (Rima River)
Ring - (Ring)
Ring of Brodgar - (Ring of Brodgar)
Ring of Steel (London) - (Ring of Steel (London))
Ring-necked snake - (Ring-necked snake)
Ringed seal - (Ringed seal)
Rings of Jupiter - (Rings of Jupiter)
Rings of Rhea - (Rings of Rhea)
Rio de Janeiro - (Rio de Janeiro)
Rio de Janeiro (state) - (Rio de Janeiro (state))
Río de la Plata - (Río de la Plata)
Río Negro (Uruguay) - (Río Negro (Uruguay))
Riojasaurus - (Riojasaurus)
Rise Against - (Rise Against)
Rise and Fall, Rage and Grace - (Rise and Fall, Rage and Grace)
Risotto - (Risotto)
Rita Moreno - (Rita Moreno)
Rita Ora - (Rita Ora)
Ritual purification - (Ritual purification)
River Severn - (River Severn)
River Song (Doctor Who) - (River Song (Doctor Who))
River Tamar - (River Tamar)
River Teifi - (River Teifi)
River Thames - (River Thames)
River Trent - (River Trent)
River Ystwyth - (River Ystwyth)
Riverdale (2017 TV series) - (Riverdale (2017 TV series))
Riverside, California - (Riverside, California)
Rivet - (Rivet)
RM4SCC - (RM4SCC)
RNA - (RNA)
RNA interference - (RNA interference)
RNA splicing - (RNA splicing)
RNA virus - (RNA virus)
Road - (Road)
Road bicycle racing - (Road bicycle racing)
Road Town - (Road Town)
Roanoke Colony - (Roanoke Colony)
Rob Bironas - (Rob Bironas)
Rob Bourdon - (Rob Bourdon)
Rob Ford - (Rob Ford)
Rob Portman - (Rob Portman)
Robbie Coltrane - (Robbie Coltrane)
Robert Altman - (Robert Altman)
Robert Baker - (Robert Baker)
Robert Bakker - (Robert Bakker)
Robert Browning - (Robert Browning)
Robert College - (Robert College)
Robert E. Lee - (Robert E. Lee)
Robert Falcon Scott - (Robert Falcon Scott)
Robert G. Heft - (Robert G. Heft)
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury - (Robert Gascoyne-Cecil, 3rd Marquess of Salisbury)
Robert Hooke - (Robert Hooke)
Robert Indiana - (Robert Indiana)
Robert J. Lang - (Robert J. Lang)
Robert Jordan - (Robert Jordan)
Robert Kubica - (Robert Kubica)
Robert Lewandowski - (Robert Lewandowski)
Robert Matsui - (Robert Matsui)
Robert Neyland - (Robert Neyland)
Robert Pattinson - (Robert Pattinson)
Robert Schumann - (Robert Schumann)
Robert Shaw (actor) - (Robert Shaw (actor))
Robert Taylor - (Robert Taylor)
Robert Trujillo - (Robert Trujillo)
Robert Walpole - (Robert Walpole)
Roberto Alagna - (Roberto Alagna)
Robin Hood - (Robin Hood)
Robin Hood (1973 movie) - (Robin Hood (1973 movie))
Robin Williams - (Robin Williams)
Roblox - (Roblox)
Robot - (Robot)
Rochechouart - (Rochechouart)
Rock and roll - (Rock and roll)
Rock art of the Iberian Mediterranean Basin - (Rock art of the Iberian Mediterranean Basin)
Rock cycle - (Rock cycle)
Rock Lee - (Rock Lee)
Rock music - (Rock music)
Rock Steady - (Rock Steady)
Rockcrawling - (Rockcrawling)
Rockefeller family - (Rockefeller family)
Rocket - (Rocket)
Rocket fuel - (Rocket fuel)
Rocket launcher - (Rocket launcher)
Rocky De La Fuente - (Rocky De La Fuente)
Rocky Mountains - (Rocky Mountains)
Rock–paper–scissors - (Rock–paper–scissors)
Rococo - (Rococo)
Rod - (Rod)
Rod (unit) - (Rod (unit))
Rod Paige - (Rod Paige)
Rodent - (Rodent)
Rodez - (Rodez)
Rodinia - (Rodinia)
Roe v. Wade - (Roe v. Wade)
Roehampton - (Roehampton)
Roerich’s Pact - (Roerich’s Pact)
Roger Bannister - (Roger Bannister)
Roger Ebert - (Roger Ebert)
Roger Joseph Boscovich - (Roger Joseph Boscovich)
Roger Rees - (Roger Rees)
Roger Waters - (Roger Waters)
Roger Williams (theologian) - (Roger Williams (theologian))
Roger Wolcott Sperry - (Roger Wolcott Sperry)
Rogue One - (Rogue One)
Roh Tae-woo - (Roh Tae-woo)
Rohypnol - (Rohypnol)
Roll cage - (Roll cage)
Roll with It (Oasis song) - (Roll with It (Oasis song))
Rolla, Missouri - (Rolla, Missouri)
Roller coaster - (Roller coaster)
Roman army - (Roman army)
Roman citizenship - (Roman citizenship)
Roman consul - (Roman consul)
Roman Curia - (Roman Curia)
Roman dictator - (Roman dictator)
Roman Empire - (Roman Empire)
Roman influence in Caucasian Albania - (Roman influence in Caucasian Albania)
Roman invasion of Britain - (Roman invasion of Britain)
Roman legion - (Roman legion)
Roman numerals - (Roman numerals)
Roman roads in Britain - (Roman roads in Britain)
Roman Senate - (Roman Senate)
Roman Walls of Lugo - (Roman Walls of Lugo)
Romance (love) - (Romance (love))
Romance comics - (Romance comics)
Romance languages - (Romance languages)
Romani people - (Romani people)
Romania - (Romania)
Romanization of Greek - (Romanization of Greek)
Romantic music - (Romantic music)
Romanticism - (Romanticism)
Romeo + Juliet - (Romeo + Juliet)
Romney Marsh - (Romney Marsh)
Ronald Fisher - (Ronald Fisher)
Ronald Reagan - (Ronald Reagan)
Ronald Reagan Washington National Airport - (Ronald Reagan Washington National Airport)
Ronnie Lott - (Ronnie Lott)
Ronnie Wood - (Ronnie Wood)
Rooney Mara - (Rooney Mara)
Root - (Root)
Rope (movie) - (Rope (movie))
Roper v. Simmons - (Roper v. Simmons)
Ropin' the Wind - (Ropin' the Wind)
Rory Williams - (Rory Williams)
Rosa Parks - (Rosa Parks)
Rosalind Franklin - (Rosalind Franklin)
Rosario Dawson - (Rosario Dawson)
Rose - (Rose)
Rose garden - (Rose garden)
Roseanne Barr - (Roseanne Barr)
Roseland Peninsula - (Roseland Peninsula)
Rosetta Stone - (Rosetta Stone)
Rosewood - (Rosewood)
Roshika Deo - (Roshika Deo)
Rosie and Jim - (Rosie and Jim)
Ross 154 - (Ross 154)
Ross Bridge - (Ross Bridge)
Ross Dependency - (Ross Dependency)
Ross Lynch - (Ross Lynch)
Rostov-on-Don - (Rostov-on-Don)
Rotary evaporator - (Rotary evaporator)
Rotavirus - (Rotavirus)
Rotor - (Rotor)
Rotten borough - (Rotten borough)
Rotterdam - (Rotterdam)
Rottweiler - (Rottweiler)
Rouben Mamoulian - (Rouben Mamoulian)
Rouen - (Rouen)
Rouen Cathedral (Monet) - (Rouen Cathedral (Monet))
Rouge - (Rouge)
Round (music) - (Round (music))
Rounding - (Rounding)
Rouran - (Rouran)
Roux - (Roux)
Rowan & Martin's Laugh-In - (Rowan & Martin's Laugh-In)
Rowan University - (Rowan University)
Royal Academy of Music - (Royal Academy of Music)
Royal Air Force - (Royal Air Force)
Royal Albert Hall - (Royal Albert Hall)
Royal coat of arms in Scotland - (Royal coat of arms in Scotland)
Royal coat of arms of the United Kingdom - (Royal coat of arms of the United Kingdom)
Royal College of Music - (Royal College of Music)
Royal Colleges of Surgeons - (Royal Colleges of Surgeons)
Royal Commission - (Royal Commission)
Royal Flying Doctor Service of Australia - (Royal Flying Doctor Service of Australia)
Royal forest - (Royal forest)
Royal Horticultural Society - (Royal Horticultural Society)
Royal Hospital Kilmainham - (Royal Hospital Kilmainham)
Royal Institute of British Architects - (Royal Institute of British Architects)
Royal Institution - (Royal Institution)
Royal Leamington Spa - (Royal Leamington Spa)
Royal Library of the Netherlands - (Royal Library of the Netherlands)
Royal Navy - (Royal Navy)
Royal Opera House - (Royal Opera House)
Royal Palace of Aranjuez - (Royal Palace of Aranjuez)
Royal Palace of Madrid - (Royal Palace of Madrid)
Royal Rumble (2009) - (Royal Rumble (2009))
Royal Rumble (2010) - (Royal Rumble (2010))
Royal Rumble (2011) - (Royal Rumble (2011))
Royal Rumble (2017) - (Royal Rumble (2017))
Royal Rumble (2019) - (Royal Rumble (2019))
Royal Society for the Protection of Birds - (Royal Society for the Protection of Birds)
Royal Society of Arts - (Royal Society of Arts)
Royal Standard of Scotland - (Royal Standard of Scotland)
Royal Swedish Academy of Sciences - (Royal Swedish Academy of Sciences)
Royal Thai General System of Transcription - (Royal Thai General System of Transcription)
Royal Victorian Order - (Royal Victorian Order)
Royal Warrant - (Royal Warrant)
RR Lyrae - (RR Lyrae)
RSA algorithm - (RSA algorithm)
RSGC1 - (RSGC1)
Rubber - (Rubber)
Rubén Blades - (Rubén Blades)
Rubik's Cube - (Rubik's Cube)
RuBisCO - (RuBisCO)
Rudolf Anderson - (Rudolf Anderson)
Rudolf Höss - (Rudolf Höss)
Rudy Giuliani - (Rudy Giuliani)
Rudy Rucker - (Rudy Rucker)
Rugby - (Rugby)
Rugby football - (Rugby football)
Rui Patrício - (Rui Patrício)
Ruislip - (Ruislip)
Ruler - (Ruler)
Rum-running - (Rum-running)
Run (island) - (Run (island))
Runaways (comics) - (Runaways (comics))
Runcorn - (Runcorn)
Runes - (Runes)
Running - (Running)
Rupert Everett - (Rupert Everett)
Rural districts of Germany - (Rural districts of Germany)
Ruse Province - (Ruse Province)
Rush discography - (Rush discography)
Russia - (Russia)
Russian Civil War - (Russian Civil War)
Russian Empire - (Russian Empire)
Russian Grand Prix - (Russian Grand Prix)
Russian language - (Russian language)
Russian Revolution - (Russian Revolution)
Russian ruble - (Russian ruble)
Russian Social Democratic Labour Party - (Russian Social Democratic Labour Party)
Russo-Japanese War - (Russo-Japanese War)
Rusudan Gotsiridze - (Rusudan Gotsiridze)
Rusyn language - (Rusyn language)
Ruth Asawa - (Ruth Asawa)
Rwandan genocide - (Rwandan genocide)
Ryan Howard - (Ryan Howard)
Ryan Ross - (Ryan Ross)
Ryan Seacrest - (Ryan Seacrest)
Ryan Stiles - (Ryan Stiles)
Rydberg constant - (Rydberg constant)
Ryszard Kaczorowski - (Ryszard Kaczorowski)
Ryūjin - (Ryūjin)
s-block - (s-block)
S.A.S. - (S.A.S.)
S.H.E - (S.H.E)
S.P.A.L. 1907 - (S.P.A.L. 1907)
Saalburg - (Saalburg)
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