Title: Economic history of Greece and the Greek world
Content:  Athens emerged as the dominant economic power in Greece around the late 6th century BCE, this was further bolstered by the finding of several veins of silver in the neighbouring mountains which further added to their wealth. They facilitated an efficient trading system with other Greek city states. Again, pots and other forms of cooking utensils seem to have been the most quantitatively traded product (over 80,000 amphorae and other such things have been recovered from around Athens in archaeological digs). Marble and bronze artwork also seems to have been traded (though it was largely a luxury product, and this trade only really exploded after the rise of the 
Title: Fifth-century Athens
Content:  Fifth-century Athens is the Greek city-state of Athens in the time from 480 to 404 BC. Formerly known as the Golden Age of Athens, the later part being the Age of Pericles, it was buoyed by political hegemony, economic growth and cultural flourishing. The period began in 478 BC, after the defeat of the Persian invasion, when an Athenian-led coalition of city-states, known as the Delian League, confronted the Persians to keep the liberated Asian Greek cities free. After peace was made with Persia in the mid-5th century BC, what started as an alliance of independent city-states became an Athenian empire after Athens abandoned the pretense of parity among its allies 
Title: History of Athens
Content:   Athens is one of the oldest named cities in the world, having been continuously inhabited for perhaps 5,000 years. Situated in southern Europe, Athens became the leading city of Ancient Greece in the first millennium BC, and its cultural achievements during the 5th century BC laid the foundations of Western civilization. During the early Middle Ages, the city experienced a decline, then recovered under the later Byzantine Empire and was relatively prosperous during the period of the Crusades (12th and 13th centuries), benefiting from Italian trade. Following a period of sharp decline under the rule of the Ottoman Empire, Athens re-emerged in the 19th century as the capital of the independent and self-governing Greek state.
Title: List of ancient great powers
Content:  Ancient Athens was inhabited around 3,000 years ago. Athens has one of the longest histories of any city in Europe and in the world. It became the leading city of Ancient Greece in the first millennium BC. Its cultural achievements during the 5th century BC laid the foundations of western civilization. During the Middle Ages, Athens experienced decline and then a recovery under the Byzantine Empire. Athens was relatively prosperous during the Crusades, benefiting from medieval Italian trade. Fifth-century Athens refers to the Greek city-state Athens in the period of roughly 480 BC-404 BC. This was a period of Athenian political hegemony, economic growth and cultural flourishing known as the Golden Age of Athens or Age of Pericles. The period began in 480 BC when an 
Title: Greece in the 5th century BC
Content:  The end of the attempted Persian invasion of Greece ushered in a century of Athenian dominance of Greek affairs. Athens was the unchallenged master of the sea, and also the leading commercial power, although Corinth remained a serious rival. The leading statesman of this time was Pericles, who used the tribute paid by the members of the Delian League to build the Parthenon and other great monuments of classical Athens. By the mid-5th century BC, the League had become an Athenian Empire, symbolized by the transfer of the League's treasury from Delos to the Parthenon in 454 BC. The wealth of Athens attracted talented people from all over Greece, and also created a wealthy leisure 
Title: History of Western civilization before AD 500
Content:  Ionic Greek (late 5th century BC), The Greek city states competed and warred with each other, with Athens rising to be the most impressive. Learning from the Egyptians, Athenian art and architecture shone from 520 to 420 BC and the city completed the Parthenon around 447 BC to house a statue of their city goddess Athena. The Athenians also experimented with democracy. Property owners assembled almost weekly to make speeches and instruct their temporary rulers: a council of 500, chosen by lot or lottery, whose members could only serve a total of 2 years in a lifetime, and a smaller, high council from 
Title: Athens
Content:  and the Athenians always maintained that they were pure Ionians with no Dorian element. However, Athens, like many other Bronze Age settlements, went into economic decline for around 150 years afterwards. Iron Age burials, in the Kerameikos and other locations, are often richly provided for and demonstrate that from 900 BC onwards Athens was one of the leading centres of trade and prosperity in the region. The leading position of Athens may well have resulted from its central location in the Greek world, its secure stronghold on the Acropolis and its access to the sea, which gave it a natural advantage 
Title: Athens
Content:  prevent Athens from being captured and sacked twice by the Persians within one year, after a heroic but ultimately failed resistance at Thermopylae by Spartans and other Greeks led by King Leonidas, after both Boeotia and Attica fell to the Persians. The decades that followed became known as the Golden Age of Athenian democracy, during which time Athens became the leading city of Ancient Greece, with its cultural achievements laying the foundations for Western civilization. The playwrights Aeschylus, Sophocles and Euripides flourished in Athens during this time, as did the historians Herodotus and Thucydides, the physician Hippocrates, and the philosopher Socrates. 
Title: History of Greece
Content:  tripled from 8% in 1853 to 24% in 1907. Athens grew from a village of 6000 people in 1834, when it became the capital, to 63,000 in 1879, 111,000 in 1896, and 167,000 in 1907. In Athens and other cities, men arriving from rural areas set up workshops and stores, creating a middle class. They joined with bankers, professional men, university students, and military officers, to demand reform and modernization of the political and economic system. Athens became the center of the merchant marine, which quadrupled from 250,000 tons in 1875 to more than 1,000,000 tons in 1915. As the cities modernized, businessmen adopted the latest styles of Western European architecture.
Title: History of Athens
Content:  (commander-in-chief). The most famous king of Athens was Theseus, a prominent figure in Greek Mythology who killed the Minotaur. During this period, Athens succeeded in bringing the other towns of Attica under its rule. This process of synoikismos – the bringing together into one home – created the largest and wealthiest state on the Greek mainland, but it also created a larger class of people excluded from political life by the nobility. By the 7th century BC, social unrest had become widespread, and the Areopagus appointed Draco to draft a strict new code of law (hence the word 'draconian'). When this failed, they appointed Solon, with a mandate to create a new constitution (in 594 BC).

Question: when did athens emerges as wealthiest greek city state?
Answer: the late 6th century BCE.