Bornholm (Dano-Swedish Wars).
Fought 1676, between the fleet of Charles XI of Sweden, and a combined Dutch and Danish squadron. The Swedes were utterly routed, a disaster which was followed by the loss of Helsingborg, Landscroon, and other fortresses.
Bornhoven.
Fought 1227, between the Danes under Valdemar II, and the insurgents of the province of Dithmarsh, who had risen against the Danish dominion. The royal troops were totally routed, and, as a consequence, the province was lost to the Danish crown.
Borodino (Moscow Campaign).
Fought September 5, 1812, between 120,000 Russians under Kutusoff, and the French in equal force under Napoleon. The Russians, who were intrenched in a very strong position, were attacked soon after daybreak, and their first line of redoubts was carried and held by the French till the end of the day, but the victory was far from decisive, as at nightfall Napoleon retired to his original position, leaving the Russians in possession of the field. The French lost 10,000 killed, including 8 generals, and 20,000 wounded, including 30 generals. The Russians lost about 45,000. This battle is also called the Battle of the Moskowa.
Boroughbridge (Rebellion of the Marches).
Fought 1322, between the Royalists under Edward II, and the rebels under Hereford and Lancaster. The rebels, falling back before the king, were surprised by a force under Sir Andrew Harclay while crossing the bridge at Boroughbridge, and were utterly routed. Hereford was killed, and Lancaster, with several hundred barons and knights, surrendered.
Borysthenes, The (Russo-Polish Wars).
Fought 1512, when the Poles under Sigismund I defeated an army of Muscovites, 80,000 strong, with enormous slaughter.