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R
Réunion
Röhm, Ernst
röntgen
Röntgen, Wilhelm Konrad
raï
Ra's al Khaymah
Rabat
rabbi
rabbit
Rabelais, François
rabies
Rabin, Yitzhak
Rabuka, Sitiveni
raccoon
race
race-relations acts
Rachmaninov, Sergei Vasilevich
Racine, Jean Baptiste
racism
rack railway
rackets
rad
radar
radar astronomy
Radcliffe, Paula Jane
radian
radiation
radiation sickness
radiation units
Radical
radical (chemistry)
radical (politics)
radicle
radio
radio astronomy
radio beacon
radio frequencies and wavelengths
radio galaxy
radio telescope
radio wave
radio, cellular
radioactive decay
radioactive tracer
radioactive waste
radioactivity
radiocarbon dating
radiochemistry
radiography
radioisotope
radioisotope scanning
radiology
radiometric dating
radiosonde
radiotherapy
radish
radium
radius (mathematics)
radon
RAF
Raffles, (Thomas) Stamford
rafflesia
Rafsanjani, Hojatoleslam Ali Akbar Hashemi
raga
ragga
Raglan, FitzRoy James Henry Somerset
Ragnarök
ragtime
ragwort
Rahman, Tunku (Prince) Abdul
RAID
rail
Railtrack
railway
rain
rainbow
rainbow coalition
rainforest
Rainier, Mount
Rains Retreat
raisin
Raj, the
Rajasthan
Rajneesh meditation
rak'ah
Rakhmaninov
Raksha Bandan
Raleigh, Walter
RAM
Ram Das
Rama
Ramadan
Ramakrishna
Rambert Dance Company
Rambert, Marie
Rameau, Jean-Philippe
Rameses
Ramos-Horta, José Manuel
Ramos, Fidel (Eddie)
Ramsay, Allan (painter)
Ramsay, William
Ramses II
Ramses III
Ramsey, Alf(red) Ernest
random access
random number
range (statistics)
rangefinder
Rangoon
Ranjit Singh
Ranjitsinhji, K S
Rank, J(oseph) Arthur, 1st Baron Rank
Rao, P(amulaparti) V(enkata) Narasimha
rap
rape (assault)
rape (plant)
Raphael Sanzio
rare gas
rare-earth element
rarefaction
Rarotonga Treaty
Ras al Khaimah
rash
raspberry
Rasputin
Rastafarianism
raster graphics
rat
rat-tail
rate of reaction
rates
Ratha Yatra (or Jagganatha, or Car Festival)
ratio
rational number
rationalism
rationing
ratite
Rattle, Simon
rattlesnake
Ratzinger, Josef Alois
Rauschenberg, Robert
Ravel, (Joseph) Maurice
raven
Ravenna (town)
raw data
Rawalpindi
ray
ray diagram
ray-tracing
Ray, John
Ray, Man
Ray, Nicholas
Ray, Satyajit
rayon
razor-shell
razorbill
re
reacting mass
reaction
reactivity series
reading
Reading (town, UK)
reading age
reading speed
ready-made
Reagan, Ronald Wilson
real image
real number
real presence
real tennis
real-time system
realism (arts)
realism (philosophy)
RealPlayer
realpolitik
rebirth
received pronunciation
receiver
receptacle
receptor
recession
recessive gene
reciprocal
recitative
recombination
Reconstruction
record
record player
recorder (law)
recorder (music)
recording
Recruit scandal
rectangle
rectifier
rector
rectum
recursion
recycling
red admiral butterfly
Red Army
red blood cell
Red Brigades
Red Cross
red deer
red dwarf
red giant
Red Guard
Red River (USA)
Red River (Vietnam)
Red Rum
Red Scare
Red Sea
red setter
red shift
red-hot poker
Redcar and Cleveland
Redditch
Redford, (Charles) Robert
Redgrave, Michael (Scudamore)
Redgrave, Steve(n) Geoffrey
Redgrave, Vanessa
Redmond, John Edward
Redon, Odilon
redox reaction
redstart
reduction
redundancy (computing)
redundancy (employment)
redwood
reed
reed instrument
Reed, Carol
Reed, Lou(is Firbank)
reel
reference
referendum
refining
reflection (geometry)
reflection (physics)
reflex
reflex arc
reflex camera
reflexology
Reform Acts
Reform Judaism
Reformation
refraction
refractory
refresh
refrigeration
refugee
regelation
Regency
Regency style
regeneration
Regensburg
regent
reggae
register (computing)
regolith
regressive tax
regular verb
Regulation of Investigatory Powers Act
Rehnquist, William
Rehoboam
Reich
Reich, Steve
Reich, Wilhelm
Reichstadt, Duke of
Reichstag Fire
Reigate
Reims
reincarnation
reindeer
Reinfeldt, John Frerik
reinforced concrete
Reinhardt, Django
rejuvenation
relational database
relative atomic mass
relative density
relative humidity
relative molecular mass
relativism
relativity
relay
relief
religion
Religion, Wars of
rem
REM
REM sleep
remand
Remarque, Erich Maria
Rembrandt, Harmensz van Rijn
Remembrance Sunday
Remington, Philo
remission
remix
remora
remote sensing
René, France-Albert
Renaissance
Renaissance architecture
Renaissance art
Renaissance English literature
Renaissance medicine
Renault
rendering
renewable energy
renewable resource
Reni, Guido
Rennes
rennet
Renoir, Jean
Renoir, Pierre-Auguste
repair
repellent
repetitive strain injury
replica
replication
report
Representation of the People Acts
representational art
repression
reprieve
reproduction
reproduction (art)
reptile
republic
Republican Party
requiem
research
reserve currency
reservoir
residence and contact
residual current device
residue
resin
resistance
resistance movement
resistivity
resistor
resolution (computing)
resonance
resources
respiration
respiratory tract
response (biology)
rest mass
Restoration
Restoration comedy
Restoration literature
restrictive trade practice
resultant force
resurrection
resuscitation
retail
retail-price index
retina
retinol
retriever
retrovirus
reuse
Reuter, (Paul) Julius de
Reuters
revelation
Revelation
revenge tragedy
reverberation
Revere, Paul
reverse osmosis
reverse takeover
reversible reaction
review
revisionism
revolution
Revolutionary Wars
revolutions of 1848
revolutions of 1989
revue
Reykjavik
Reynolds, Albert
Reynolds, Joshua
Rhône (river)
Rhône-Alpes
rhapsody
rhea
Rhee, Syngman
Rhein
rhenium
rheostat
rhesus factor
rhesus monkey
rhetoric
rhetorical question
rheumatic fever
rheumatism
rheumatoid arthritis
Rhine
Rhineland
Rhineland-Palatinate
rhinoceros
rhizome
Rhode Island
Rhodes
Rhodes, Cecil John
Rhodesia
rhodium
rhododendron
Rhodope Mountains
rhombus
Rhondda Cynon Taff
rhubarb
rhyme
rhyolite
rhythm (music)
rhythm (poetry)
rhythm and blues
rhythm method
ria
rib
Ribbentrop–Molotov pact
Ribbentrop, Joachim von
Ribble
Ribera, José (Jusepe) de
riboflavin
ribosome
Ricardo, David
Ricci, Sebastiano
rice
Rice, Condoleezza
Richard (I) the Lion-Heart
Richard II
Richard III
Richard, Cliff
Richards, Gordon
Richards, Viv
Richardson, Henry Handel
Richardson, Ralph (David)
Richardson, Samuel
Richardson, Tony (Cecil Antonio)
Richelieu, Armand Jean du Plessis de
Richmond
Richter scale
Richthofen, Manfred, Freiherr von
ricin
rickets
riddle
Ridley, Nicholas (bishop)
Riefenstahl, Leni (Berta Helene Amalie)
Rietvelt, Gerrit Thomas
Riff
rifle
rift valley
Rift Valley, Great
Rig-Veda
Riga
Rigel
right livelihood
right of way
right wing
right-angled triangle
rights
rights issue
Rights of Man and the Citizen, Declaration of the
Rigil Kent
rigor
Riley, Bridget (Louise)
Rilke, Rainer Maria
Rimbaud, (Jean Nicolas) Arthur
Rimsky-Korsakov, Nikolai Andreievich
ring circuit
ringworm
Rinpoche, Guru
Rio de Janeiro
Rio Grande
Rio Grande do Norte
Rio Grande do Sul
Rioja, La
riot
RIP (general)
Ripon
ripple tank
risalah
RISC
risk capital
Risorgimento
rite of passage
rites of passage (Buddhism)
rites of passage (Christianity)
rites of passage (Hinduism)
rites of passage (Islam)
rites of passage (Judaism)
rites of passage (Sikhism)
ritualization
Rivadavia, Bernardino
Rivaldo
river
river capture
river terrace
Rivera, Diego
Rivera, José Fructuoso
Rivera, Primo de
riveting
Riviera
Riyadh
roach
Roach, Hal (Harry Eugene)
road
roadrunner
Robbe-Grillet, Alain
Robben Island
robbery
Robbia, della
Robbins, Jerome
robe
Robert (I) the Bruce
Robert (I) the Devil
Robert (II) Curthose (Duke of Normandy)
Robert Guiscard
Robert II (of Scotland)
Robert III
Robeson, Paul Bustill
Robespierre, Maximilien François Marie Isidore de
robin
Robin Hood
Robinson, Edward G
Robinson, Mary
Robinson, Smokey
Robinson, Sugar Ray
Robinson, W(illiam) Heath
robot
Robson, Bobby
Rochdale
Rochester
rock
rock and roll
rock cycle
rock music
rockabilly
Rockefeller, John D(avison)
rocket (space)
Rocky Mountains
rococo (art)
rodent
rodeo
Rodgers, Richard Charles
Rodin, (René François) Auguste
Rodopi Planina
Roe v. Wade
roebuck
Roeg, Nicolas (Jack)
roentgen
Roger II
Rogers, Carl Ransom
Rogers, Ginger
Rogers, Richard George
Roget, Peter Mark
Rohmer, Eric
Rokossovski, Konstantin Konstantinovich
Roland
role
roller
roller printing
rolling
Rolling Stones, the
Rollins, Sonny
Rollo
Rolls, Master of the
ROM
Romagna
romalla
Roman architecture, ancient
Roman art
Roman Britain
Roman Catholicism
Roman Empire
Roman law
Roman medicine
Roman numerals
Roman religion
romance
Romance languages
Romanesque architecture
Romanesque art
Romania
Romanian
Romanian language
Romano, Giulio
Romanov dynasty
Romansch
Romanticism (art and literature)
Romanticism (music)
Romany
Rome (city in Italy)
Rome, ancient history
Rome, Treaties of
Rommel, Erwin Johannes Eugen
Romney, George
Romulus
Romulus Augustulus
Ronaldo
Rondônia
rondeau
rondo
Ronsard, Pierre de
rook
Rooney, Mickey
Roosevelt, (Anna) Eleanor
Roosevelt, Franklin D(elano)
Roosevelt, Theodore
root (botany)
root (equation)
root (inverse of power)
root (language)
root crop
root hair
roots music
rootstock
rope
Rorschach test
rosary
Rosas, Juan Manuel de
Roscommon
rose (botany)
Roseau
rosebay willowherb
Rosebery, Archibald Philip Primrose, 5th Earl of Rosebery
rosemary
Rosenberg, Alfred
Rosenberg, Isaac
Roses, Wars of the
Rosetta Stone
Rosh Hashanah
Rosicrucians
Ross Dependency
Ross, James Clark
Ross, Ronald
Rossellini, Roberto
Rossetti, Christina Georgina
Rossetti, Dante Gabriel
Rossi, Aldo
Rossini, Gioacchino Antonio
Rostand, Edmond
Rostock
Rostov-na-Donu
Rostow model of development
Rostropovich, Mstislav (Leopoldovich)
rotation
rotation (physics)
Roth, Philip Milton
Rotherham
Rothermere, Vere Harold Esmond Harmsworth, 3rd Viscount Rothermere
Rothko, Mark
Rothschild
rotifer
rotten borough
Rotterdam
Rottweiler
Rouault, Georges Henri
Roubiliac, Louis François
Rouen
roughage
roulette
rounders
Roundhead
rounding
Rousseau, Henri Julien Félix
Rousseau, Jean-Jacques
router
row
rowan
rowing
Rowland, Tiny
Rowlandson, Thomas
Rowley, William
Rowling, J(oanne) K(athleen)
Rowntree, B(enjamin) Seebohm
Royal Academy of Arts
Royal Air Force
royal assent
Royal Ballet
Royal Canadian Mounted Police
royal commission
Royal Doulton
Royal Greenwich Observatory
Royal Marines
Royal National Institute for the Blind
royal prerogative
Royal Shakespeare Company
Royal Society
Royal Ulster Constabulary
Royalist
royalty
royalty (government)
Rozwi empire
RPI
rpm
RSFSR
RSI
RSVP
Rt Hon
RTF
RU486
Ruanda
Rub' al Khali
rubato
rubber (slang)
rubber (substance)
rubber plant
Rubbra, Edmund
rubella
Rubens, Peter Paul
Rubicon
rubidium
Rubinstein, Artur
Rublev, Andrei
ruby
rudd
Rudolf, Lake
Rudolph I
Rudolph II
rue
ruff (zoology)
rug
rugby
Rugby
Rugby League
Rugby Union
Ruhr
Ruisdael, Jacob Isaakszoon van
rule of law
rule of the road
rum
rumba
ruminant
Rump, the
Rumsfeld, Donald Henry
run-time system
Runcie, Robert Alexander Kennedy, Baron Runcie
Rundstedt, (Karl Rudolf) Gerd von
Runyon, (Alfred) Damon
Rupert, Prince
rupture
rural depopulation
rush
Rushdie, (Ahmed) Salman
Ruskin, John
Russell, Bertrand Arthur William
Russell, Jane
Russell, John
Russell, Ken (Henry Kenneth Alfred)
Russell, William, Lord
Russell, Willy
Russia
Russia: history to 1922
Russian
Russian art
Russian civil war
Russian Federation
Russian literature
Russian Orthodox Church
Russian Revolution
Russian revolution, 1905
Russian Soviet Federal Socialist Republic
Russo-Japanese War
russula
rust (botany)
rust (chemistry)
Ruthenia
ruthenium
Rutherford, Ernest
Rutherford, Margaret
rutherfordium
rutile
Rutskoi, Aleksander
Ruysdael, Jacob van
Ruyter, Michiel Adriaanszoon de
Rwanda
Ryazan (city)
Rydberg constant
Ryder Cup
Ryder, Albert Pinkham
rye
Ryle, Martin
Rysbrack, Jan Michiel
Ryukyu Islands
Ryzhkov, Nikolai Ivanovich

Blue stands for water and rain. Black and white represent the racial harmony of the people. Effective date: 30 September 1966. >>