B. F. Skinner, Back to the Future trilogy, Bacteria, Baddesley Clinton, Baibars, Baldwin I of Constantinople, Balearic Islands, Balmoral Castle, Bandwagon effect, Bangalore, Bangers and mash, Bank, Bank of England, Bannack, Montana, Banquet of Chestnuts, Banqueting House, Barbarian, Barbarian invasions, Bardas, Bardas Skleros, Bargello, Baron d’Holbach, Baron Münchhausen, Barony and Castle of Kilbirnie, Barrel vault, Barter (economics), Bartholomew Roberts, Baruch Spinoza, Baseball metaphors for sex, Basel II, Basic Law for the Federal Republic of Germany, Basic Laws of Israel, Basic needs, Basil the Macedonian, Basque Country (autonomous community), Battering ram, Battle cry, Battle of Actium, Battle of Adrianople, Battle of Agincourt, Battle of Alesia, Battle of Baghdad (1258), Battle of Berlin, Battle of Britain, Battle of Callinicum, Battle of Delium, Battle of Dublin, Battle of Edessa, Battle of Falkirk (1298), Battle of Greece, Battle of hastings, Battle of Kadesh, Battle of Leuctra, Battle of Mantinea (362 BC), Battle of Manzikert, Battle of Minden, Battle of Mycale, Battle of Myriokephalon, Battle of Navarino, Battle of Pharsalus, Battle of Philippi, Battle of Plataea, Battle of Plessey, Battle of Quiberon Bay, Battle of Sphacteria, Battle of Stamford Bridge, Battle of the Alamo, Battle of the Little Bighorn, Battle of Thermopylae, Battle of Thermopylae in popular culture, Battle of Traigh Ghruinneart, Battle of Waterloo, Beale Ciphers, Beanie Baby, Beatnik, Beatrix Potter, Beaumaris Castle, Beaux-Arts architecture, Bedbug, Bee sting, Beefeaters, Begging, Behavioral addiction, Behaviorism, Behaviour modification, Behavioural change, Belarus, Belfast, Belieber, Belisarius, Belle Époque, Ben Franklin effect, Ben Montgomery, Benjamin Franklin, Benjamin Hornigold, Benoît Mandelbrot, Berlin Wall, Bertolt Brecht, Best of all possible worlds, Bevatron, Bhutan, Biblical apocrypha, Biddenden Maids, Big Bang, Big Ben, Big Boy Restaurants, Bilberry, Bilderberg Group, Bill & Melinda Gates Foundation, Bill Bailey, Bill Cosby, Bill Finger
Bill Hicks, Bill Spencer, Sr., Billy Wilder, Biocentrism (cosmology), Biocentrism (ethics), Biophilia hypothesis, Biopiracy, Bir Tawil, Bisbee, Arizona, Black Bart (outlaw), Black comedy, Black Dahlia, Black Death, Black Death in England, Black Hand, Black hole thermodynamics, Black Kettle, Black Legend, Black market, Black pudding, Blackbeard, Blancmange, Blenheim Palace, Blind men and an elephant, Bloodletting, Blueberry, Boardwalk, Boardwalk Empire, Bobby Fischer, Bodiam Castle, Bodie, California, Body dysmorphic disorder, Bohemia, Bohemian Grove, Bohemianism, Bombing of Hamburg in World War II, Bond market, Boniface, Bonn, Bonsai tree, Border Reivers, Borderline personality disorder, Borgias, Boris Pavlovich Belousov, Born in the purple, Boromir, Boss (TV series), Bottled water, Boudica, Boule (Ancient Greece), Bourgeoisie, Bowery, Bracewell probe, Brassiere, Braveheart, Brazil, Breaking character, Breaking wheel, Brenda Frazier, Bretton Woods system, Brewster Kahle, Bride burning, Brideprice, Brigandage, Brindisi, Britannia, British anti-invasion preparations of World War II, British East India Company, British Empire, British Iron Age, British Museum, British overseas territories, British Regency, Brittany, Brothel, Brothers Grimm, Brutalist architecture, Buckingham Palace, Buffalo wing, Bug-out bag, Bugsy Siegel, Bullingdon Club, Bullock Hotel, Bullying, Bunker, Burgess Shale, Buridan’s ass, Burning of Washington, Burr-Hamilton duel, Bush v gore, Bushmen, Business cluster, Business magnate, Busking, Buster Keaton, Butcher, Butler, Button, Button (The Twilight Zone), Buyer’s remorse, Byblos, Bystander effect, Byzantine architecture, Byzantine aristocracy and bureaucracy, Byzantine army, Byzantine battle tactics, Byzantine Empire, Byzantine Greeks, Byzantine military manuals, Byzantine navy, Byzantine-Arab Wars, Byzantine-Bulgarian Wars, Byzantinism, Byzantion, Byzantium under the Komnenoi, Byzantium under the Macedonians