Democritus ("chosen of the people") was an Ancient Greek philosopher born in Abdera, Thrace, Greece. He was an influential pre-Socratic philosopher who formulated an atomic theory for the cosmos. His exact contributions are difficult to dis...

The Acropolis of Athens is an ancient citadel located on a rocky outcrop above the city of Athens and contains the remains of several ancient buildings of great architectural and historic significance, the most famous being the Parthenon. A...

The Peloponnesian War was an ancient Greek war fought by Athens and its empire against the Peloponnesian League led by Sparta. Historians have traditionally divided the war into three phases. In the first phase, the Archidamian War, Sparta...

Petra, originally known to its inhabitants as Raqmu, is a historical and archaeological city in southern Jordan. Petra lies on the slope of Jabal Al-Madbah in a basin among the mountains which form the eastern flank of the Arabah valley tha...

Alexander III of Macedon, commonly known as Alexander the Great, was a king of Macedon, a state in the north eastern region of Greece, and by the age of thirty was the creator of one of the largest empires in ancient history, stretching fro...

Chandragupta Maurya was the founder of the Mauryan Empire and the first emperor to unify India into one state. He ruled from 322 BC until his voluntary retirement and abdication in favour of his son Bindusara in 298 BC. Chandragupta Maur...

The Battle of Chaeronea was fought in 338 BC, near the city of Chaeronea in Boeotia, between the forces of Philip II of Macedon and an alliance of Greek city-states (the principal members of which were Athens and Thebes). The battle was the...

The Persian Empire's military machine was powerful and ponderous. When Darius finally came to meet him, Alexander was already in southern Turkey. The situation for the Greeks was serious. They were still in the mountains, trying to find a s...

Battle of Gaugamela (331 BC). Clash between the forces of Alexander the Great and Darius III of Persia that brought the fall of the Persian empire. Attempting to stop Alexander's incursions, Darius prepared a battleground on the Plain of Ga...

The Wars of the Diadochi (or Wars of Alexander's Successors) were a series of conflicts fought between Alexander the Great's generals over the rule of his empire between 322 and 275 BC. When Alexander the Great died (June 10, 323 BC), he le...

Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known heliocentric model that placed the Sun at the center of the known universe with the Earth revolving around it. He was influenced by Phi...

Ptolemies: name of the last dynasty of independent Egypt. In 332, the Macedonian king Alexander the Great conquered Egypt and gave a new capital to the old kingdom along the Nile, Alexandria. After his death (11 June 323), his friend Ptolem...

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...

The Lighthouse of Alexandria, also known as the Pharos of Alexandria, was a tower built between 280 and 247 BC on the island of Pharos at Alexandria, Egypt. Its purpose was to guide sailors into the harbour at night. With a height variously...

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...