The British School, founded in 1886, has been unable, owing to insufficient endowment, to work on similar lines with the French and German institutions; it has, however, carried out extensive excavations at Megalopolis and in Melos, as well as researches at Abae, in Athens (presumed site of the Cynosarges), in Cyprus, at Naucratis and at Sparta.
The territories of Zela and Megalopolis were divided between Lycomedes, the high-priest of Zela and Ateporix, who ruled the principality of Carana (later Sebastopolis).
Ever anxious to extend the league, in which after 245 he was general almost every second year, Aratus took Corinth by surprise (243), and with mingled threats and persuasion won over other cities, notably Megalopolis (233) and Argos (229), whose tyrants abdicated voluntarily.
Statesman Thebes ever produced, Sparta was weakened by the loss of Messenia, which was restored to an independent position with the newly built Messene as its capital, and by the foundation of Megalopolis as the capital of Arcadia.
But Aratus, whose jealousy could not brook to see a Spartan at the head of the Achaean league called in Antigonus Doson of Macedonia, and Cleomenes, after conducting successful expeditions to Megalopolis and Argos, was finally defeated at Sellasia, to the north of Sparta, in 222 or 221 B.C. He took refuge at Alexandria with Ptolemy Euergetes, but was arrested by his successor, Ptolemy Philopator, on a charge of conspiracy.
The ruin of Megalopolis would mean, he argued, the return of Spartan domination in the Peloponnesus.
The foundation of the new federal capital Megalopolis threw Tegea somewhat into the shade.
Both Sparta and Megalopolis sent embassies to Athens.
POLYBIUS (c. 204-122 B.C.), Greek historian, was a native of Megalopolis in Arcadia, the youngest of Greek cities (Paus.
During the Hellenistic age Megalopolis stood staunchly by Macedonia; the rest of Arcadia rebelled against Antipater (330, 323) and Antigonus Gonatas (266).