Timeline

Sparta was a prominent city-state in Laconia in ancient Greece. In antiquity, the state was known as Lacedaemon, while Sparta referred to its capital, a group of villages in the valley of the Evrotas River in Laconia, in southeastern Peloponnese. Around 650 BC, it rose to become one of the major military powers in Greece, a status it retained until 371 BC.

Pythagoras of Samos was an ancient Ionian Greek philosopher, polymath, and the eponymous founder of Pythagoreanism. His political and religious teachings were well known in Magna Graecia and influenced the philosophies of Plato, Aristotle, and, through them, Western philosophy. Modern scholars disagree regarding Pythagoras's education and influences, but most agree that he travelled to Croton in southern Italy around 530 BC, where he founded a school in which initiates were allegedly sworn to secrecy and lived a communal, ascetic lifestyle.

The Greco-Persian Wars, also called the Persian Wars, were a series of armed conflicts involving various Greek city-states and the Achaemenid Empire from 499 BC to 449 BC. The precipitating collision between the fractious political world of ancient Greece and the enormous empire of ancient Persia had begun when the Persian king Cyrus the Great conquered the Greek-inhabited region of Ionia in 547 BC. As they struggled to exert authority over the independent-minded Ionian cities, the Persians appointed Greek tyrants to rule each of them, though this would prove to be the source of much trouble f

The Battle of Marathon (490 BC) was a decisive Greek victory in the first Persian invasion of Greece.

The Battle of Thermopylae was fought in 480 BC at Thermopylae between the Achaemenid Persian Empire under Xerxes and an alliance of Greek city-states led by Sparta under Leonidas I. Lasting over the course of three days, it was one of the most prominent battles of both the second Persian invasion of Greece and the wider Greco-Persian Wars.

The Battle of Salamis was a naval battle fought in 480 BC, between an alliance of Greek city-states under Themistocles, and the Achaemenid Empire under King Xerxes. It resulted in a victory for the outnumbered Greeks.

(427 BC–347 BC) Plato was an ancient Greek philosopher of Classical Athens who is most commonly considered the foundational thinker of the Western philosophical tradition. An innovator of the literary dialogue and dialectic forms, Plato influenced all the major areas of theoretical philosophy and practical philosophy, and was the founder of the Academy, a philosophical school in Athens where Plato taught the collection of philosophical theories that would later become known as Platonism.

The Peloponnesian War was fought in the Eastern Mediterranean between the Athenian-led Delian League and the Spartan-led Peloponnesian League from 431 to 404 BC for hegemony over Ancient Greece. Initially inconclusive, the intervention of the Persian Empire in support of Sparta in 413 BC allowed the Spartan coalition to decisively defeat Athens, beginning a period of Spartan hegemony over Greece.

Socrates was an ancient Greek philosopher from Classical Athens, perhaps the first Western moral philosopher, and a major inspiration on his student Plato, who largely founded the tradition of Western philosophy. An enigmatic figure, Socrates authored no texts and is known mainly through the posthumous accounts of classical writers, particularly his students Plato and Xenophon. These accounts are written as dialogues, in which Socrates and his interlocutors examine a subject in the style of question and answer; they gave rise to the Socratic dialogue literary genre. Contradictory accounts of Socrates make a reconstruction of his philosophy nearly impossible, a situation known as the Socratic problem. Socrates was a polarizing figure in Athenian society. In 399 BC, he was accused of impiety and corrupting the youth. After a trial that lasted a day, he was sentenced to death. As related by Plato, he was put to death by administration of poison after refusing offers from allies to help him escape.

(384 BC–322 BC) Aristotle was an ancient Greek philosopher and polymath. His writings span the natural sciences, philosophy, linguistics, economics, politics, psychology, and the arts. As the founder of the Peripatetic school of philosophy in the Lyceum in Athens, he began the wider Aristotelian tradition that followed, which set the groundwork for the development of modern science.

(342 BC–270 BC) Epicurus was an ancient Greek philosopher who founded the philosophical school of Epicureanism, which taught that management of one's desires, removal of unnecessary fears, friendship, and virtuous living led to a pleasant life and constant happiness, the highest good.

Zeno of Citium was a Hellenistic philosopher from Citium, Cyprus. He was the founder of the Stoic school of philosophy, which he taught in Athens from about 300 BC.

The Delian League was a confederacy of Greek city-states, numbering between 150 and 330, founded in 478 BC under the hegemony of Athens, whose purpose was to continue fighting the Persian Empire after the Greek victory in the Battle of Plataea at the end of the Second Persian invasion of Greece. The League functioned as a dual—offensive and defensive—alliance (symmachia) of autonomous states, similar to its rival association, the Peloponnesian League led by Sparta. The League's modern name derives from its official meeting place, the island of Delos, where congresses were held within the sanctuary of the Temple of Apollo; contemporary authors referred to the organization simply as "the Athenians and their Allies".

Athens is the capital and largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the eighth-largest urban area in the European Union (EU). The Municipality of Athens, which constitutes a small administrative unit of the entire urban area, had a population of 643,452 in 2021, within its official limits, and a land area of 38.96 square kilometres.