Albigenses. A sect of heretics, who were in existence during the 12th and 13th centuries, and inhabited Albi, France; fought many battles; went to Spain in 1238, where they were slowly exterminated.

Albuera. A small village near the river Guadiana, in Spain, where the French army under Marshal Soult was defeated by the British and Spanish forces under Marshal, afterwards Lord, Beresford, March 16, 1811.

Albufera (Spain, East Central). A lagoon, near which the French marshal Suchet (afterwards Duke of Albufera), defeated the Spaniards under Blake, January 4, 1812; this led to his capture of Valencia, January 9.

Alcacsbas (Portugal). A treaty was concluded here between Alfonso V. of Portugal and Ferdinand and Isabella of Castile.

Alcantara. A creek near Lisbon, on the banks of which a battle was fought between the Spaniards under Alva and the Portuguese under Antonio de Crato (prior of the Maltese order).

Alcantara, Order of. Knights of a Spanish military order, who gained a great name during the wars with the Moors.

Alcassar, or Alcacar. A fortified city in Morocco, situated between Ceuta and Tangier; the narrowest point of the Strait of Gibraltar. The Portuguese seized this city in 1468.

Alcazar-Quiver. A city near Fez, Northwest Africa, where the Moors totally defeated the Portuguese, whose gallant king, Sebastian, was slain August 4, 1578.

Alcmaer. A city in Holland; besieged by the Spaniards in 1573 without success; here the British and Russians were defeated by the French in 1799.

Aldenhofen. A village of the Prussian Rhenish province, where the French, under Gen. Miranda, were defeated by Archduke Charles, March 1, 1793; the Austrians were defeated March 18, 1793.