| 10th of August (French Revolution) | Aalen | Aarau |
| Aaron | Aaron Burr | Ababda |
| Abadeh | Abakan | Abana and Pharpar |
| Abano Terme | Abaris the Hyperborean | Abatis |
| Abbadid | Abbas I of Egypt | Abbas I of Safavid |
| Abbas II of Egypt | Abbas Mirza | Abbeville |
| Abbot | Abbott Lawrence Lowell | Abbreviator |
| Abd ar-Rahman I | Abd ar-Rahman II | Abd-ar-Rahman III |
| Abd-el-Aziz IV | Abd-el-latif | Abd-ul-Aziz |
| Abd-ul-Mejid I | Abdera, Spain | Abdera, Thrace |
| Abdul Hamid II | Abdur Rahman Khan | Abel Servien |
| Abencerrages | Abensberg | Abeokuta |
| Aberdare | Aberdeen | Aberdeen, South Dakota |
| Aberdeenshire (traditional) | Aberdour | Abergavenny |
| Aberration in optical systems | Aberration of light | Abersychan |
| Abertillery | Abettor | Abeyance |
| Abgarus of Edessa | Abhidhamma | Abhorrers |
| Abiathar | Abigail | Abilene (biblical) |
| Abipones | Abjuration | Abraham |
| Abraham a Sancta Clara | Abraham Bloemaert | Abraham Hyacinthe Anquetil-Duperron |
| Abraham Janssens | Abraham Mignon | Abrahamites |
| Abram Stevens Hewitt | Abraxas | Absalon |
| Absinthe | Absolute Monarchy in Sweden | Abu al-Faraj |
| Abu Bakr | Abu Hamad | Abu Qir |
| Abu Tammam | Abulfeda | Abydos, Egypt |
| Abydos, Hellespont | Abyssinian Church | Acapulco |
| Accepted Frewen | Accession | Achaea |
| Achaemenes | Achilles Tatius | Achinese |
| Achinese language | Acilius Glabrio | Aconcagua River |
| Aconitum | Acontius | Acorn |
| Acridine | Adalberon, bishop of Laon | Adalbert Merx |
| Adam Afzelius | Adam Marsh | Adam Mickiewicz |
| Adam Murimuth | Adam Philippe, Comte de Custine | Adam Scotus |
| Adder | Adelaide Anne Procter | Adelaide Kemble |
| Adelbert von Chamisso | Adémar de Chabannes | Adhemar of Le Puy |
| Adirondack Mountains | Ado (archbishop) | Adolf Bernhard Christoph Hilgenfeld |
| Adolf Erik Nordenskiöld | Adolf Friedrich von Schack | Adolf Furtwängler |
| Adolf Harnack | Adolf Hausrath | Adolf Jellinek |
| Adolf Oberländer | Adolf Schreyer | Adolf von Henselt |
| Adolph Francis Alphonse Bandelier | Adolph von Menzel | Adolphe Napoleon Didron |
| Adolphe Niel | Adolphe Thiers | Adolphus William Ward |
| Adriaen van Ostade | Adrian van de Velde | Adrianus Turnebus |
| Aeacus | Aeclanum | Aedesius |
| Aedicula | Aedui | Aegean civilization |
| Aegina | Aegis | Aegospotami |
| AElfric | Aelia Capitolina | Aelia Eudocia |
| Aelianus Tacticus | Aelius Donatus | Aerarium |
| Aernout van der Neer | Aeschines | Aesop |
| Aethelred of Mercia | Aetius | Afanasy Ordin-Nashchokin |
| Affair of the diamond necklace | Affection | Affiliation |
| Affinity | Affirmation | Affreightment |
| Afonso I of Portugal | Afonso II of Portugal | Afonso III of Portugal |
| Afonso IV of Portugal | Afonso VI of Portugal | African Lily |
| Aga Khan I | Agasias | Agatharchus |
| Agathocles | Ageladas | Agenais |
| Agénor Bardoux | Agesander | Agistment |
| Agnes of Meran | Agnosticism | Agnus Dei |
| Agonothetes | Agoracritus | Agostino Depretis |
| Agostino Magliani | Agostino Steffani | Agrippa I |
| Agrippa II | Ahab | Ahenobarbus |
| Ahmad Shah | Ahmed III | Ahmed Mohammed al Makkari |
| Aigun | Aimable Jean Jacques Pélissier | Aimé Bonpland |
| Aimoin | Aix-en-Provence | Ajaccio |
| Ajaigarh | Ajanta | Ajax the Lesser |
| Ajmer | Ajmer-Merwara | Akhmim |
| Akhtal | Akkad | Akkadian Empire |
| Al Fayyum | Al-Farazdaq | Alabaster |
| Alain Chartier | Alain de Lille | Alamanni |
| Alaric I | Alaric II | Alaungpaya |
| Alban Butler | Albert Bushnell Hart | Albert Christoph Dies |
| Albert Eberhard Friedrich Schäffle | Albert Heim | Albert I of Germany |
| Albert II of Germany | Albert III, Margrave of Brandenburg | Albert Keller |
| Albert of Aix | Albert of Mainz | Albert of Prussia |
| Albert Schultens | Albert Schwegler | Albert Sorel |
| Albert the Degenerate | Albert the Warlike | Albert von Kolliker |
| Albert, 4th duc de Broglie | Albert, Duke of Saxony | Albinovanus Pedo |
| Alboin | Albrecht Ritschl | Albrecht von Gräfe |
| Albrecht von Roon | Albula Range | Albuquerque, New Mexico |
| Alcamenes | Alcibiades | Alcidamas |
| Alciphron | Alcira | Alcmene |
| Aldhelm, Bishop of Sherborne | Aldred | Aldus Manutius |
| Aleksandr Baryatinskiy | Aleksandr Danilovich Menshikov | Aleksandr Sergeevich Menshikov |
| Aleksandr Sergeyevich Menshikov | Aleksandr Suvorov | Aleksei Petrovich Bestuzhev-Ryumin |
| Aleksey Borisovich Lobanov-Rostovsky | Alessandro Achillini | Alessandro Alessandri |
| Alessandro Algardi | Alessandro Allori | Alessandro Bonvicino |
| Aleutian Islands | Alexander Ales | Alexander Anderson (mathematician) |
| Alexander Balas | Alexander Ball | Alexander Balmain Bruce |
| Alexander Baring, 1st Baron Ashburton | Alexander Bezborodko | Alexander Gorchakov |
| Alexander Gordon Laing | Alexander Hegius von Heek | Alexander Henry Green |
| Alexander Herzen | Alexander I of Russia | Alexander II of Russia |
| Alexander III of Russia | Alexander Kilham | Alexander Mackenzie (musician) |
| Alexander McDowell McCook | Alexander Murray (1841-1904) | Alexander Nasmyth |
| Alexander Neckam | Alexander Nowell | Alexander Obrenovich |
| Alexander of Aphrodisias | Alexander of Bulgaria | Alexander Penrose Forbes |
| Alexander Polyhistor | Alexander Selkirk | Alexander Sergueevich Griboyedov |
| Alexander Severus | Alexander Smith | Alexander von Humboldt |
| Alexander Ypsilanti | Alexandr Griboyedov | Alexandr Ostrovsky |
| Alexandre Falguière | Alexandre Joseph Colonna, Count Walewski | Alexandre Ribot |
| Alexandria Troas | Alexandria, Romania | Alexandria, Virginia |
| Alexandrine Tinné | Alexei Pavlovich Fedchenko | Alexis |
| Alexis I of Russia | Alexius I Comnenus | Alexius II Comnenus |
| Alexius III Angelus | Alexius Petrovich | Alexius V |
| Alfonso I of Aragon | Alfonso II of Asturias | Alfonso III of Leon |
| Alfonso IV of Leon | Alfonso IX of Leon | Alfonso VIII of Castile |
| Alfonso XII of Spain | Alfred Capus | Alfred Des Cloizeaux |
| Alfred Domett | Alfred Graf von Waldersee | Alfred Gudeman |
| Alfred Milner, 1st Viscount Milner | Alfred Newton | Alfred Perceval Graves |
| Alfred Richard Cecil Selwyn | Alfred Ritter von Arneth | Alfred the Great |
| Alfred William Hunt | Alfred Windischgrätz | Alfred, Baron von Gutschmid |
| Alger of Liège | Algernon Bertram Freeman-Mitford, 1st Baron Redesdale | Algiers |
| Algirdas | Alice Meynell | Alkanet |
| Allan Ramsay (1686-1758) | Allart van Everdingen | Allen Bathurst, 1st Earl Bathurst |
| Allgemeine Encyclopädie der Wissenschaften und Künste | Almandine | Almoravides |
| Alonso de Ercilla y Zuniga | Alonso de Guzman El Bueno, 7th Duke of Medina Sidonia | Alpaca |
| Alphege | Alphonse Daudet | Alphonse I of Toulouse |
| Alps | Altai | Alum |
| Alured of Beverley | Alvaro de Luna | Alvise Vivarini |
| Alwar | Alypius of Antioch | Amalaric |
| Amalasuntha | Amalric I of Jerusalem | Amalric II of Jerusalem |
| Amaranth | Amaranthus | Amasis II |
| Amati | Amazon River | Amazons |
| Amber, India | Ambergris | Amblypoda |
| Ambrogio Bergognone | Ambrose | Ambrose Philips |
| Ambrose the poet | Ambrosius Theodosius Macrobius | Amelia Opie |
| Amélie-les-Bains-Palalda | American Revolutionary War | Amethyst |
| Ami Boué | Ammianus Marcellinus | Ammon (nation) |
| Ammonia | Ammonius Grammaticus | Ammonius Hermiae |
| Ammunition | Amok | Amos Bronson Alcott |
| Amphibole | Amphibolite | Amphion and Zethus |
| Amphipolis | Amun | Amyl alcohol |
| Amyntas I of Macedon | Amyntas III of Macedon | Anacreon (poet) |
| Anadyr River | Anamorphosis | Ananda |
| Anantapur | Anastasius I (emperor) | Anastasius II (emperor) |
| Anatase | Anaxagoras | Anaximander |
| Anaximenes of Miletus | Anazarbus | Ancona |
| Ancus Marcius | Ancylopoda | Andaman Islands |
| Anders Celsius | Anders Jonas Ångström | Anders Torstenson |
| Andes | Andras Fay | André Antoine |
| André Charles Prosper Messager | André Chénier | André Dacier |
| André de Laval-Montmorency | André Dumont | André Marie Jean Jacques Dupin |
| André Michaux | André Morellet | André-Hercule de Fleury |
| André-Jean-François-Marie Brochant de Villiers | André-Marie Ampère | Andrea Andreani |
| Andrea del Sarto | Andrea Doria | Andreas Aagesen |
| Andreas Achenbach | Andreas Gryphius | Andrei Osterman |
| Andrew Boorde | Andrew Carnegie | Andrew Clark |
| Andrew Combe | Andrew Halliday | Andrew II of Hungary |
| Andrew Lang | Andrew of Longjumeau | Andrew of Wyntoun |
| Andrew Ramsay | Andries Pretorius | Andriscus |
| Androclus | Andronicus II | Andronicus of Cyrrhus |
| Andros | Aneirin | Anemometer |
| Anemone | Anet | Angelica Kauffmann |
| Angelo Mai | Angelus | Angermünde |
| Angerona | Angers | Angilbert |
| Angkor Thom | Angkor Wat | Angles |
| Anglesite | Anglican Communion | Anglo-Norman literature |
| Anglo-Saxons | Angoulême | Angra (Azores) |
| Aniello Falcone | Aniline | Animal worship |
| Animism | Anjar, India | Ankylosis |
| Anna Amalia, Duchess of Saxe-Weimar-Eisenach | Anna Brownell Jameson | Anna Comnena |
| Anna Louisa Geertruida Bosboom-Toussaint | Anna Seward | Anne Barnard |
| Anne de Montmorency | Anne Françoise Elizabeth Lange | Anne Genevieve of Bourbon-Condé |
| Anne Jean Marie René Savary | Anne Lefèvre | Anne Louise Germaine de Staël |
| Anne Oldfield | Anne Robert Jacques Turgot, Baron de Laune | Anne, 1st duc de Noailles |
| Anne, Duchess of Montpensier | Anne-Jules, 2nd duc de Noailles | Anne-Louis Girodet de Roussy-Trioson |
| Annie Keary | Antalcidas | Antero de Quental |
| Anthim the Iberian | Anthony Munday | Anthony Wood |
| Antigonus I Monophthalmus | Antigonus II Gonatas | Antiochus I Soter |
| Antiochus II Theos | Antiochus III the Great | Antipater |
| Antiphanes | Antiphon (person) | Antipope Nicholas V |
| Antisthenes | Antistrophe | Antoine Arnauld |
| Antoine Barnave | Antoine Baum | Antoine César Becquerel |
| Antoine Chanzy | Antoine Charles Horace Vernet | Antoine Charles Louis, comte de Lasalle |
| Antoine Coypel | Antoine Coysevox | Antoine de Jussieu |
| Antoine Etex | Antoine François Prévost | Antoine François, comte de Fourcroy |
| Antoine Frederic Ozanam | Antoine Gérard de Saint-Amant | Antoine Hamilton |
| Antoine Jérôme Balard | Antoine Lacroix | Antoine Leonard de Chézy |
| Antoine Nompar de Caumont | Antoine Perrenot de Granvelle | Antoine Pierre Berryer |
| Antoine-François-Claude Ferrand | Antoine-Henri Jomini | Antoine-Jean, Baron Gros |
| Antoine-Louis Barye | Antoinette Bourignon | Anton Friedrich Justus Thibaut |
| Anton Reinhard Falck | Anton Seidl | Anton von Schmerling |
| Antonin Mercié | Antonin Proust | Antoninus Liberalis |
| Antonio Agliardi | Antonio Cesti | Antonio de Herrera y Tordesillas |
| Antonio del Pollaiuolo | Antonio Francesco Grazzini | Antônio Gonçalves Dias |
| Antonio Maria Gaspare Sacchini | Antonio Rosmini-Serbati | Antonio Starabba, Marchese di Rudinì |
| Antonio Vieira | Antonio Vivarini | Antony Bek |
| Aonio Paleario | Apion | Apollonius Molon |
| Appian | Appian of Alexandria | Aquila Romanus |
| Aquileia | Arbroath | Arbroath Abbey |
| Archduke Charles | Archermus | Archibald Campbell Tait |
| Archibald Campbell, 1st Marquess of Argyll | Archibald Geikie | Archilochus |
| Ardashir II of Persia | Ardashir III of Persia | Argentite |
| Aristide Briand | Aristoxenus | Armand Augustin Louis de Caulaincourt |
| Armand de Gontaut, baron de Biron | Armand Gensonné | Armand, Prince of Conti |
| Armand-Emmanuel du Plessis, Duc de Richelieu | Armand-Guy-Simon de Coetnempren, comte de Kersaint | Armand-Pierre Caussin de Perceval |
| Armor-piercing shot and shell | Arnail François, Marquis de Jaucourt | Arnobius the Elder |
| Arnobius the Younger | Arnold Drakenborch | Arnold Escher von der Linth |
| Arnold Henry Guyot | Arnold Hermann Ludwig Heeren | Arnold Joost van Keppel, 1st Earl of Albemarle |
| Arnold von Lasaulx | Arrival of the Semites to Babylonia and Assyria | Arsène Darmesteter |
| Arsène Houssaye | Arsenius Autoreianus | Artamon Matveev |
| Artemy Petrovich Volynsky | Arthur Annesley, 1st Earl of Anglesey | Arthur Balfour |
| Arthur Bourchier | Arthur Capell, 1st Earl of Essex | Arthur Cushman McGiffert |
| Arthur Fitzwilliam Tait | Arthur Golding | Arthur Görgei |
| Arthur Haselrig | Arthur Hobhouse, 1st Baron Hobhouse | Arthur Quiller-Couch |
| Arthur Ranc | Arthur Symons | Arturo Graf |
| Arvid August Afzelius | Arvid Horn | Ary Scheffer |
| Asa Packer | Asconius Pedianus | Asor |
| Assegai | Assumpsit | Assus |
| Assyro-Babylonian culture | Astley Cooper | Astley Cooper Key |
| Astley Paston Cooper | Atacamite | Athalaric |
| Atrato | Aubrey Thomas de Vere | Aufidius Bassus |
| August Belmont | August Belmont, Jr | August Graf von Platen-Hallermünde |
| August Hahn | August Heinrich Hoffmann von Fallersleben | August Heinrich Matthiae |
| August Heinrich Petermann | August Immanuel Bekker | August Ludwig von Schlözer |
| August Neander | August von Gneisenau | August von Kotzebue |
| August Wilhelm Ambros | August Wilhelm Iffland | August Wilhelm von Hofmann |
| August Wilhelm von Schlegel | August Wilhelm Zumpt | Augusta Theodosia Drane |
| Auguste Daubree | Auguste Himly | Auguste Joseph Alphonse Gratry |
| Auguste Michel-Lévy | Augustin Daly | Augustin Louis Cauchy |
| Augustin Pyrame de Candolle | Augustin Saint-Hilaire | Augustin-Jean Fresnel |
| Augustine Birrell | Augustus Addison Gould | Augustus FitzRoy, 3rd Duke of Grafton |
| Augustus Keppel, 1st Viscount Keppel | Augustus Meineke | Augustus Montague Toplady |
| Augustus Wall Callcott | Aulus Caecina | Aulus Caecina Alienus |
| Aulus Gellius | Aulus Persius Flaccus | Aurelien Scholl |
| Ausonius | Austen Henry Layard | Austin Phelps |
| Avallon | Avianus | Avicenna |
| Axel Oxenstierna | Axel von Fersen | Axel von Fersen, senior |
| Aymer de Valence | Baalbek | Babel |
| Babenberg | Baboon | Babrius |
| Babur | Babylon | Babylonian law |
| Bacchanalia | Bach family | Back-bond |
| Backnang | Bacup, Lancashire | Badajoz |
| Badakhshan | Badalona | Baden |
| Bagelkhand | Bahram I of Persia | Bahram II of Persia |
| Bahram III of Persia | Bahram IV of Persia | Bahram V of Persia |
| Bailiff | Bala, Gwynedd | Balash of Persia |
| Balbus | Baltasar Gracián y Morales | Banastre Tarleton |
| Bar-Hebraeus | Bar-le-Duc | Barea Soranus |
| Barghest | Bari | Barium carbonate |
| Barnabe Barnes | Barnabe Googe | Baronetage of Nova Scotia |
| Barthold Georg Niebuhr | Bartholomew Badlesmere | Bartholomew de Burghersh, 2nd Baron Burghersh |
| Bartholomew Elliott George Warburton | Bartholomew Price | Bartolomeo Ammanati |
| Bartolomeo Borghesi | Bartolommeo Vivarini | Barton Booth |
| Bashkirs | Basil I | Basil Lanneau Gildersleeve |
| Basilicata | Bastarnae | Bathycles of Magnesia |
| Battle of Abu Klea | Battle of Actium | Battle of Aspern-Essling |
| Battle of Camden | Battle of Eutaw Springs | Battle of Friedland |
| Battle of Gergovia | Battle of Guilford Court House | Battle of Hampton Roads |
| Battle of Jemappes | Battle of Leuctra | Battle of Sluys |
| Battle of Swold | Battle of the Allia | Bayard Taylor |
| Beauvais | Beaver | Begonia |
| Belgaum | Belisario Corenzio | Benedetto Accolti |
| Benedetto Bonfigli | Benedetto Càiroli | Benedictus Abbas |
| Benevento | Bengt Gabrielsson Oxenstierna | Benguella, Angola |
| Benjamin de Rohan, duc de Soubise | Benjamin Franklin Butler (politician) | Benjamin Franklin DeCosta |
| Benjamin H. Bristow | Benjamin Hall Kennedy | Benjamin Haydon |
| Benjamin Huntsman | Benjamin Kennicott | Benjamin Robins |
| Benoît-Constant Coquelin | Benozzo Gozzoli | Benvenuto Cellini |
| Berar | Bernard de Jussieu | Bernard Germain Étienne de la Ville, Comte de Lacépède |
| Bernard le Bovier de Fontenelle | Bernard of Clairvaux | Bernard Palissy |
| Bernard Saisset | Bernardino Telesio | Bernardo Pasquini |
| Bernese Oberland | Bernhard Siegfried Albinus | Bernhard Studer |
| Bernhard von Bülow | Bernhard von Langenbeck | Bernina Alps |
| Bertrand Andrieu | Bertrand Barère de Vieuzac | Bessemer, Alabama |
| Bettino Ricasoli | Bevil Grenville | Bevis of Hampton |
| Bieda | Big Jim Fisk | Bion |
| Bithynia | Blasphemy law in the United Kingdom | Blida |
| Blondin | Boabdil | Boabdil of Granada |
| Boatswain | Body-snatching | Boeotia |
| Bogomils | Bogotá | Bogumil Dawison |
| Bohemund I of Antioch | Bohemund II of Antioch | Bolbec |
| Bombardment | Bombay furniture | Bombay Presidency |
| Bombazine | Bonamy Price | Bonaventure |
| Bonaventure des Périers | Bondu | Bone bed |
| Bone state | Bonheur du jour | Bookcase |
| Boracite | Boris Godunov | Bourg-en-Bresse |
| Brahmin | Brasidas | Breach of the peace |
| Breviary of Alaric | Brian Walton | Briton Rivière |
| Brockhaus | Bromlite | Bronzite |
| Brook Taylor | Brooke Foss Westcott | Brumaire |
| Brunetto Latini | Bucentaur | Bude |
| Buhturi | Bulstrode Whitelocke | Bundelkhand |
| Burgrave | Burhanpur | Burkhard Christoph von Munnich |
| Bus | Busby | Byzantine architecture |
| Cadmus | Caecilius of Calacte | Caecilius Statius |
| Caesarea Palaestina | Caesius Bassus | Caleb Cushing |
| Callimachus | Cambay | Camille Desmoulins |
| Camille Jordan (politician) | Camillo Federici | Canaan |
| Çankiri | Cappadocia | Captal |
| Capua | Capuchin | Cárdenas, Matanzas, Cuba |
| Cardinal Cajetan | Carel van Mander | Carinus |
| Carisbrooke Castle | Carl August of Saxe-Weimar-Eisenach | Carl Darling Buck |
| Carl Friedrich Philipp von Martius | Carl Gustaf Nordin | Carl Gustaf Wrangel |
| Carl Gustav Jakob Jacobi | Carl Haag | Carl Maria von Weber |
| Carl Philipp Emanuel Bach | Carl Ritter | Carl Schurz |
| Carl Theodor Ernst von Siebold | Carl Wilhelm Göttling | Carlo Alessandro Guidi |
| Carlo Cignani | Carlo Crivelli | Carlo Fea |
| Carlo Felice Nicolis, conte di Robilant | Carlo Filangieri | Carlo Innocenzio Maria Frugoni |
| Carloman of France | Carlos Antonio López (politician) | Carmine |
| Carnatic (region) | Carolina, Baroness Nairne | Caroline Herschel |
| Carolus-Duran | Carpathian Mountains | Carpel |
| Carsten Niebuhr | Carus | Casimir Delavigne |
| Casiquiare canal | Caspar Netscher | Cassius |
| Cassius Dionysius Longinus | Castle | Catechumen |
| Cathar | Cathedral architecture | Catherine Sedley |
| Cato the Elder | Catulle Mendès | Caudebec-en-Caux |
| Causes of the French Revolution | Cecilia Beaux | Celje |
| Celsus | Cephisodotus | Ceremonial mace |
| Cerussite | César-François Cassini de Thury | Cesare Ricotti-Magnani |
| Chabrias | Chalcis | Chares |
| Charidemus | Charisius | Chariton |
| Charles Abbot, 1st Baron Colchester | Charles Adolphe Wurtz | Charles Alten |
| Charles Anthon | Charles Augustus Briggs | Charles Badham |
| Charles Baudelaire | Charles Bémont | Charles Bonnet |
| Charles Boyle, 4th Earl of Orrery | Charles Churchill | Charles City Shire |
| Charles Collé | Charles Cotesworth Pinckney | Charles Cotton |
| Charles Cousin-Montauban, Comte de Palikao | Charles Cowden Clarke | Charles Craufurd |
| Charles Davenant | Charles De Coster | Charles de Freycinet |
| Charles de La Fosse | Charles de Luynes | Charles de Rémusat |
| Charles de Rohan, prince de Soubise | Charles de Saint-Évremond | Charles de Téligny |
| Charles de Valois, Duke of Angoulême | Charles Deems | Charles Devens |
| Charles Dumoulin | Charles Edward Horsley | Charles Emory Smith |
| Charles Ernest Beulé | Charles Etienne Brasseur de Bourbourg | Charles Fearne |
| Charles Fechter | Charles Fellows | Charles Ferdinand, duc de Berry |
| Charles Ferguson Smith | Charles Fleetwood | Charles Floquet |
| Charles Forbes René de Montalembert | Charles François Dumouriez | Charles Ganilh |
| Charles Gleyre | Charles Grafly | Charles Grant, 1st Baron Glenelg |
| Charles Harold Davis | Charles Henry Cooper | Charles Holroyd |
| Charles Hutton | Charles I of Hungary | Charles IV of Spain |
| Charles IX of Sweden | Charles James Blomfield | Charles James Mathews |
| Charles Jenkinson, 1st Earl of Liverpool | Charles Jeremiah Wells | Charles John Canning, 1st Earl Canning |
| Charles Keene | Charles Kemble | Charles Knight |
| Charles Lamoureux | Charles le Beau | Charles Le Brun |
| Charles Lee Lewes | Charles Lennox, 3rd Duke of Richmond | Charles Leslie |
| Charles Lucien Léandre | Charles Macintosh | Charles Manners-Sutton |
| Charles Marie de La Condamine | Charles Mathews | Charles Maurice Donnay |
| Charles Merivale | Charles Méryon | Charles Napier (naval officer) |
| Charles Napier Hemy | Charles Paul Landon | Charles Pierre Henri Rieu |
| Charles Pomeroy Stone | Charles Pratt, 1st Earl Camden | Charles Pritchard |
| Charles River Shire | Charles Rockwell Lanman | Charles Sackville, 6th Earl of Dorset |
| Charles Santley | Charles Sealsfield | Charles Sedley |
| Charles Simon Clermont-Ganneau | Charles Simon Favart | Charles Spencer, 3rd Earl of Sunderland |
| Charles Stuart Calverley | Charles Sumner | Charles Talbot, 1st Baron Talbot of Hensol |
| Charles Talbot, 1st Duke of Shrewsbury | Charles the Bald | Charles Thomas Newton |
| Charles Thomson Ritchie, 1st Baron Ritchie | Charles Townshend, 2nd Viscount Townshend | Charles Tristan, marquis de Montholon |
| Charles Victor de Bonstetten | Charles Villiers Stanford | Charles Wentworth Dilke, 1st Baronet |
| Charles Wilkes | Charles Wordsworth | Charles Wyndham, 2nd Earl of Egremont |
| Charles Wyville Thomson | Charles X of Sweden | Charles XI of Sweden |
| Charles XIII of Sweden | Charles XIV of Sweden | Charles XV of Sweden |
| Charles, Duke of Burgundy | Charles-Augustin de Coulomb | Charles-Édouard Brown-Séquard |
| Charles-François de Broglie, marquis de Ruffec | Charles-François Lebrun | Charles-Jean-François Hénault |
| Charles-Louis-Victor, prince de Broglie | Charles-Marie-René Leconte de Lisle | Charnel house |
| Charnockite | Châtelain | Cheb |
| Cheering | Chhatarpur | Chichester Parkinson-Fortescue, 1st Baron Carlingford |
| Childebert II of Austrasia | Childeric I | Childeric II |
| Childeric III | Chilperic I of Neustria | Chilperic II of the Franks |
| Christian August Brandis | Christian August Crusius | Christian August Vulpius |
| Christian Daniel Beck | Christian Daniel Rauch | Christian Erich Hermann von Meyer |
| Christian Friedrich Daniel Schubart | Christian Friedrich Hebbel | Christian Friedrich Wilhelm Jacobs |
| Christian Fürchtegott Gellert | Christian Gottlob Heyne | Christian Gunther von Bernstorff |
| Christian Heinrich Kurt von Haugwitz | Christian Heinrich Spiess | Christian Hermann Weisse |
| Christian III of Denmark | Christian IV of Denmark | Christian Karl August Ludwig von Massenbach |
| Christian Lobeck | Christian Ludwig Ideler | Christian Sørensen Longomontanus |
| Christian V of Denmark | Christian VIII of Denmark | Christian, Graf zu Stolberg |
| Christiana Horton | Christina of Sweden | Christine de Pizan |
| Christoph Albert Dies | Christoph Friedrich Nicolai | Christoph Friedrich von Ammon |
| Christoph Ludwig Agricola | Christoph Martin Wieland | Christoph von Sigwart |
| Christoph Wilhelm von Sigwart | Christophe de Beaumont | Christophe Léon Louis Juchault de Lamoricière |
| Christopher Columbus Langdell | Christopher Hansteen | Christopher Hatton |
| Christopher Newman Hall | Christopher Smart | Christopher Wordsworth |
| Christopher Wordsworth (Trinity) | Christoval de Acuna | Christovão Falcão |
| Chrysanthius | Churchill Babington | Cilicia |
| Cimon of Cleonae | Cineraria | Cinna |
| Cinnabar | Cinnamon | Circar |
| Cirencester | Cistercians | City Point, Virginia |
| Clara Louise Kellogg | Classical authorities of Babylonia and Assyria | Claude Adrien Helvétius |
| Claude Alexandre de Bonneval | Claude Antoine, comte Prieur-Duvernois | Claude Bazire |
| Claude Bernard | Claude Charles Fauriel | Claude de Rouvroy, duc de Saint-Simon |
| Claude Fauchet (historian) | Claude Fauchet (revolutionist) | Claude Favre de Vaugelas |
| Claude Fleury | Claude Fournier | Claude Gillot |
| Claude Henri de Rouvroy, Comte de Saint-Simon | Claude Joseph Vernet | Claude Lorrain |
| Claude Perrin | Claude Pierre Goujet | Claude, Duke of Guise |
| Claude-Henri de Fusée de Voisenon | Claude-Louis-Hector de Villars | Claudine Guérin de Tencin |
| Claus Harms | Clearchus | Clemens Brentano |
| Clément Marot | Clintonite | Clodius Aesopus |
| Clotaire I | Cloudesley Shovel | Clovelly |
| Clover | Clovis Hugues | Club |
| Coelius Sedulius | Cola di Rienzi | Colin Campbell, 1st Baron Clyde |
| Colmar Freiherr von der Goltz | Colonial Williamsburg | Coluthus |
| Commissariat | Common dace | Compromise of 1850 |
| Comptroller of the Treasury | Connop Thirlwall | Conrad Bursian |
| Conrad Busken-Huet | Conrad von Gesner | Conradin |
| Constant Troyon | Constantin François de Chasseboeuf, Comte de Volney | Constantin von Ettingshausen |
| Constantine Lascaris | Constantine Pavlovich | Conversations-Lexikon mit vorzüglicher Rücksicht auf die gegenwärtigen Zeiten |
| Corfu | Cornelis Cort | Cornelis de Witt |
| Cornelius Jansen | |
