Megara

city in western Attica, Greece

19 dated entries naming Megara, drawn from 19 separate years between 1282 BCE and 243 BCE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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13th century BC

1282 BCE1282 BC—Pandion II, legendary King of Athens, dies after a nominal reign of 25 years. He reportedly only reigned in Megara, while Athens and the rest of Attica were under the control of an alliance of Nobles led by his uncle Metion (son of Erechtheus of Athens) and his sons (including in some accounts Daedalus). His four sons lead a successful military campaign to regain the throne. Aegeus becomes King of Athens, Nisos reigns in Megara, Lykos in Euboea and Pallas in southern Attica.source

8th century BC

704 BCE704 BC—Menos of Megara wins the stadion race at the 19th Olympic Games.source

7th century BC

685 BCE685 BC—Traditional date of the foundation of Chalcedon by Megara or when it became a Greek colony.source
667 BCEByzantium (modern Istanbul) is founded by Megaran colonists under Byzas.source
640 BCETheagenes becomes tyrant at Megara.source

5th century BC

460 BCEThe First Peloponnesian War breaks out between the Delian League (led by Athens) and a Peloponnesian alliance (led by Sparta), caused in part by Athens' alliance with Megara and Argos and the subsequent reaction of Sparta. The Athenians have built long walls for the Megarans to their port at Nisaea, thereby earning the enmity of Megara's old rival Corinth.source
459 BCEAthens allied itself with the city state of Megara which was under pressure from Corinth. This alliance leads to war between Corinth and Athens. The first battle of the war, at Haliesis in the Gulf of Argolis, resulted in a Corinthian victory, but the next battle, the battle of Cecryphalea (modern Angistrion), went Athens' way.source
457 BCEAthens, the leader of the Delian League, comes into conflict with Corinth and its ally Sparta (leader of the Peloponnesian League) over Megara. Nicomedes of Sparta, regent for King Pleistoanax, leads an army of 11,500 hoplites into Boeotia to help Thebes put down a rebellion by Phocis.source
446 BCEMegara joins the revolt against Athens. The strategic importance of Megara is immediately demonstrated by the appearance, for the first time in 12 years, of a Spartan army under King Pleistoanax in Attica. The threat from the Spartan army leads Pericles to arrange, by bribery and by negotiation, that Athens will give up its mainland possessions and confine itself to a largely maritime empire.source
445 BCEPericles, concerned over the draining effect of years of war on Athenian manpower, looks for peace with the support of the Assembly. Athenian diplomat, Callias, goes to Sparta and after much bargaining arranges a peace treaty with Sparta and her Peloponnesian allies, thus extending the 5 year truce of 451 BC for another 30 years. According to this treaty, Megara is to be returned to the Peloponnesian League, Troezen and Achaea become independent, Aegina is to become a tributary to Athens but autonomous, and disputes are to be settled by arbitration. Each party agrees to respect the alliances of the other.source
434 BCEUnder the leadership of Pericles, Athens introduces a series of measures (the "Megarian decree") imposing an economic embargo on Megara for violations of land sacred to Demeter. According to the provisions of the decree, Megarian merchants are to be excluded from the market of Athens and the ports in its empire. This ban strangles the Megarian economy and strains the fragile peace between Athens and Sparta, which is allied with Megara.source
433 BCEThe Corinthians, upset by Athens' actions, lobby Sparta to take action against Athens. This appeal is backed by Megara (which is being severely affected by Pericles' economic sanctions) and by Aegina (which is being heavily taxed by Pericles and which has been refused home rule).source
424 BCEDemosthenes and Hippocrates attempt to capture Megara, but they are defeated by the Spartans under their general Brasidas. Demosthenes then marches to Naupactus to assist in a democratic revolution, and to gather troops for an invasion of Boeotia. However, Demosthenes and Hippocrates are unable to coordinate their attacks and Hippocrates is defeated at the Battle of Delium by Pagondas of Thebes. During the battle, Socrates is said to have saved the life of Alcibiades. Demosthenes attacks Sicyon and is defeated as well.source
421 BCENicias, the leader of the aristocratic and peace party in Athens and Pleistoanax, King of Sparta, negotiate the Peace of Nicias between Athens and Sparta, which brings a temporary end to the Peloponnesian War. The essence of the Peace of Nicias is a return to the antebellum period with most wartime gains being returned. Seventeen representatives from each side swear an oath to uphold the treaty, which is meant to last for one generation (30 years: meaning they are not responsible for the next generation's decision). All of Sparta's allies agree to sign the peace except for the Boeotians, Corinth, Elis, and Megara.source

4th century BC

388 BCEPlato, having left Athens on Socrates' death to visit Megara and possibly Egypt, travels to Syracuse at the invitation of Dionysius I's brother-in-law Dion.source
338 BCEAthens arranges an alliance with Euboea, Megara, Achaea, Corinth, Acarnania and some other states in the Peloponnesus. However, the most desirable ally for Athens is Thebes. Therefore, the Athenian leader, Demosthenes, goes to the Boeotian city and secures an alliance with Thebes despite the efforts of a Macedonian deputation to persuade Thebes to join with Macedonia. In return, Athens agrees to Thebes controlling Boeotia, Thebes being in command solely on land and jointly at sea, and Athens paying two thirds of the campaign's cost.source
308 BCEPtolemy crosses from Asia Minor into Greece, where he takes possession of Corinth, Sicyon and Megara.source
307 BCEDemetrius captures Megara and there he restores the old constitution as well.source

3rd century BC

243 BCEWithout a declaration of hostilities, Greek statesman, Aratus of Sicyon, who has gradually built up the Achaean League into a major power in Greece, makes a surprise attack on Corinth and forces the withdrawal of the Macedonian occupation troops. Megara, Troezen, and Epidaurus also desert the Macedonian King Antigonus II.source