Ashoka Maurya, commonly known as Ashoka and also as Ashoka the Great, was an Indian emperor of the Maurya Dynasty who ruled almost all of the Indian subcontinent from ca. 269 BCE to 232 BCE. One of India's greatest emperors, Ashoka reigned...

Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the...

Spartacus was a Thracian gladiator who, along with Crixus, Gannicus, Castus, and Oenomaus, was one of the escaped slave leaders in the Third Servile War, a major slave uprising against the Roman Republic. Little is known about him beyond th...

Gaius Julius Caesar is remembered as one of history's greatest generals and a key ruler of the Roman empire. As a young man he rose through the administrative ranks of the Roman republic, accumulating power until he was elected consul in 59...

Emperor Augustus of Rome was born with the given name Gaius Octavius on September 23, 63 B.C. He took the name Gaius Julius Caesar Octavianus (Octavian) in 44 B.C. after the murder of his great uncle, Julius Caesar. In his will Caesar had a...

Arminius also known as Armin or Hermann, was a chieftain of the Germanic Cherusci who defeated a Roman army in the Battle of the Teutoburg Forest. Arminius's influence held an allied coalition of Germanic tribes together in opposition to th...

Jesus (c. 4 BC – AD 30 / 33), also referred to as Jesus of Nazareth and Jesus of Galilee, is the central figure of Christianity, whom the teachings of most Christian denominations hold to be the Son of God. Christianity regards Jesus as the...

Heron of Alexandria was an ancient Greek mathematician who was a resident of a Roman province (Ptolemaic Egypt); he was also an engineer who was active in his hometown of Alexandria. He is considered the greatest experimenter of antiquity a...

Boudica (d. AD 60 or 61) was a queen of the British Celtic Iceni tribe who led an uprising against the occupying forces of the Roman Empire. Boudica's husband Prasutagus ruled as a nominally independent ally of Rome and left his kingdom...

Constantine, The Great was the 57th Emperor of the Roman Empire from 306, and the sole holder of that office from 324 until his death in 337. Best known for being the first Christian Roman emperor, Constantine reversed the persecutions of h...

Attila the Hun was the Emperor of the Huns from 434 until his death in 453. He was leader of the Hunnic Empire which stretched from Germany to the Ural River and from the River Danube to the Baltic Sea. During his rule, he was one of the mo...

Flavius Odoacer, was a soldier, who in 476 became the first King of Italy (476–493). His reign is commonly seen as marking the end of the Western Roman Empire. Though the real power in Italy was in his hands, he represented himself as the c...

Dionysius Exiguus has left his mark conspicuously, for it was he who introduced the use of the Christian Era according to which dates are reckoned from the Incarnation, which he assigned to 25 March, in the year 754 from the foundation of R...

Aryabhata is the first of the great astronomers of the classical age of India. He was born in 476 AD in Ashmaka but later lived in Kusumapura, which his commentator Bhaskara I (629 AD) identifies with Patilputra (modern Patna). Aryabhata...

Muhammad was the founder of Islam. According to Islamic doctrine, he was a prophet and God's messenger, sent to present and confirm the monotheistic teachings preached previously by Adam, Abraham, Moses, Jesus, and other prophets. He is vie...