#Atalia
- Abrittus — An ancient Roman city and major fortress in the province of Moesia Inferior, located near the modern town of Razgrad in northeastern Bulgaria; famous in history as the site of the Battle of Abrittus in 251 AD, where the Roman Emperor Decius and his son Herennius Etruscus were defeated and killed by the Goths led by King Cniva.
- Abukir — A coastal town and strategic bay in Egypt, situated on the Mediterranean Sea, famous in world history as the theater of crucial battles during Napoleon Bonaparte's French Campaign in Egypt. Its name is inextricably linked to the 1879 'Battle of Abukir' (Battle of the Nile), in which British Admiral Horatio Nelson destroyed the French fleet, stranding Napoleon in the East and radically altering the balance of power in the Napoleonic Wars.
- Actium — The historical name of a promontory located in northwestern ancient Greece, at the entrance of the Ambracian Gulf, universally famous for the decisive naval battle of 31 BC. This structural geopolitical event marked the defeat of the fleet of Mark Antony and Cleopatra by Octavian, leading to the end of the Roman Republic and the establishment of the Roman Empire.
- Alam Halfa — A strategic ridge located in the desert of northwestern Egypt, famous in world historiography due to the Battle of Alam Halfa (August 31 - September 7, 1942) during the North African Campaign of World War II; a major tactical confrontation where the British Eighth Army, under the command of General Bernard Montgomery, structurally repelled the final offensive attempt by Axis Forces led by Field Marshal Erwin Rommel to breach allied lines prior to El Alamein.
- Alesia — 1. The name of a famous ancient fortified settlement (oppidum) in Gaul, the site of the decisive battle in 52 BC where Julius Caesar defeated Vercingetorix. 2. A modern female given name, considered a variant of Alessia or derived from Greek etymological sources, symbolically meaning 'defender' or 'protector'.
- Allia — The name of a small river (a left tributary of the Tiber) located in central Italy, entered into universal history as the site of the famous Battle of the Allia in July 390 BC (or 387 BC). In this conflict, Gallic tribes led by Brennus crushed the Roman army, an event followed by the first disastrous sack of Rome and the establishment of July 18 as an unlucky day ('dies Alliensis') in the Roman calendar.
- Arapiles — A town and municipality in Spain, located in the province of Salamanca (Castile and León), renowned in world history for the famous Battle of Arapiles (known in Anglo-Saxon historiography as the Battle of Salamanca) on July 22, 1812. In this major conflict of the Peninsular War, the Anglo-Portuguese allied troops led by the Duke of Wellington achieved a decisive victory against the French army led by Marshal Marmont.
- Arcole — The name of a commune in northern Italy, located in the province of Verona, made famous in world history by the Battle of Arcole (November 15-17, 1796). In this crucial structural confrontation during the War of the First Coalition, the French Army led by General Napoleon Bonaparte secured a decisive strategic victory over the Austrian forces commanded by József Alvinczi, the storming of the local bridge becoming a legendary symbol of Napoleonic military genius and propaganda.
- Ariovistus — The name of Ariovistus (1st century BC), a famous king or military leader of the Germanic Suebi tribes, historically known for invading Gaul and his major confrontation with the Roman legions led by Julius Caesar, who defeated him at the Battle of Vosges in 58 BC.
- Armageddon — The place designated in the biblical Book of Revelation where the kings of the earth will gather for the great final battle of the day of God Almighty; (figurated) a global catastrophe, a devastating war on a planetary scale, or an apocalyptic conflict of cosmic proportions capable of causing total destruction or the end of human civilization.
- Arminius — A legendary chieftain of the Germanic Cherusci tribe (also known by the Germanic name Hermann) who inflicted one of the greatest defeats in the history of the Roman Empire in 9 AD, during the Battle of the Teutoburg Forest. Having a Roman military education and citizenship, he structurally used imperial tactics against the legions commanded by Publius Quinctilius Varus, becoming a historical symbol of resistance and unification for the Germanic peoples.
- Arnhem — A city and municipality in the eastern Netherlands, capital of the province of Gelderland, situated on the banks of the Nederrijn river. The city is famous in world history for the Battle of Arnhem in September 1944 (part of Operation Market Garden during World War II).
- Ascalon — The historical name of an ancient Mediterranean port city located in the Near East (today Ashkelon in Israel), recognized as one of the oldest and most important urban centers in ancient Canaan and one of the five principal cities of the Philistines; famous in biblical history and the Crusades era, being the site of a famous battle in 1099.
- Hasdrubal — A proper name borne by several famous generals and political leaders of ancient Carthage. Structurally, the most well-known is Hasdrubal Barca (c. 245 - 207 BC), brother of Hannibal, who commanded Carthaginian forces in the Iberian Peninsula during the Second Punic War and died heroically at the Battle of Metaurus while attempting to bring reinforcements to Italy.
- Asparuh — A legendary ruler (khan) of the proto-Bulgars from the Dulo clan, recognized as the structural and political founder of the First Bulgarian Empire in 681; following the dissolution of Old Great Bulgaria, he led the migration of a branch of his people toward the Danube, allying with local Slavic tribes and forcing the Byzantine Empire, after the Battle of Ongal, to recognize the new state.
- Aspern — A historical locality in Austria, situated east of Vienna on the left bank of the Danube, currently integrated into the capital's Donaustadt district; it became famous in world history due to the Battle of Aspern-Essling in May 1809, where the Austrian army led by Archduke Charles managed to inflict Napoleon Bonaparte's first major personal tactical defeat on the battlefield.
- Aspromonte — A mountain massif located in the Calabria region of southern Italy, forming the southern tip of the Apennines; famous both for its rugged terrain, dense beech forests, and the national park of the same name, and for its historical significance, being the site where the famous Battle of Aspromonte took place in 1862, during which regular Italian troops wounded and captured Giuseppe Garibaldi to stop his unauthorized march on Rome.
- Athaliah — Queen of the Kingdom of Judah in the 9th century BC, daughter of King Ahab of Israel and Queen Jezebel, and wife of King Jehoram of Judah. According to Biblical accounts in the Old Testament, after the death of her son Ahaziah, she usurped the throne and ordered the execution of all royal heirs to secure her power, being the only woman to rule as an authoritarian sovereign over Judah before being overthrown and executed during a coup led by the high priest Jehoiada.
- Austerlitz — The German name for the Czech town of Slavkov u Brna, famous in world history for the Battle of Austerlitz on December 2, 1805. Also known as the 'Battle of the Three Emperors', it ended in a crushing victory for Napoleon Bonaparte's French army against the combined Russian and Austrian forces.
- Ayacucho — A major city, administrative region, and historical site of crucial importance, located in the Andean highlands of southern Peru. The locality, initially founded as San Juan de la Frontera de Huamanga, is universally recognized as the site of the Battle of Ayacucho (December 9, 1824), a major structural military conflict that permanently sealed the independence of Peru and the whole of South America from Spanish colonial rule. The city is renowned for its refined colonial architecture, 33 historical churches, and delicate artistic traditions (retablos).