Around 500 BCE, following the Achaemenid conquest of Mesopotamia under Darius I, Old Aramaic was adopted by the conquerors as the " vehicle for written communication between the different regions of the vast empire with its different peoples and languages.

Around 12, 500 Tasmanians recreationally fish for blacklip and greenlip abalone.

Around 500 BC the Ur-Parthenon was dismantled to make place for a newer and grander building, the " Older Parthenon " ( often called Pro-Parthenon, " early Parthenon ").

Around 500 million years afterward, the Moon's mantle was able to be extensively melted due to the decay of radioactive elements.

Around 500 people lived in the town in 1086 ( at the time of the Domesday Book ).

Around 500 BC Sri Lankans

Around 40 floats with more than 2, 500 participants parade in Sitges.

Around 500 BC, they formed the powerful Odrysian Kingdom, which subsequently declined and Thracian tribes fell under Macedonian, Celtic and Roman domination.

Around 500 Freed Jamaican slaves made the journey to Freetown in 1800 through the Sierra Leone Company.

Around 500 years ago, Khas from the Karnali-Bheri-Seti basin migrated eastward, bypassing inhospitable Kham highlands to settle in lower valleys of the Gandaki basin that were well suited to rice cultivation.

Around 500 million years ago, a chain of volcanic islands shaped like an arch collided with proto North America and rode over the top of the North American plate.

Around 500 B. C., a band of Shoshonean-speaking Indians established settlements in what is now the San Gabriel Valley.

Around 500 BC, a band of Shoshonean-speaking Indians established settlements in what is now the San Gabriel Valley.

Around 500 A. D., farming supplanted hunting as the major food source for the people known as " Basketmakers ".

Around 500 million years ago, a chain of volcanic islands crashed into proto North America, riding over the North American Plate and creating the New Jersey Highlands, which start in the western portion of the township.

Around 500 chiefs, including at least 13 females, signed the Treaty of Waitangi.

Around the same time, Guy Hands, CEO of Terra Firma Capital Partners, came to EMI with restructuring plans to cut between 1, 500 and 2, 000 jobs and to reduce costs by £ 200 million a year.

Around 500 BC the Fritzens-Sanzeno culture, also known as culture of the Raeti, after the goddess Raetia who according to roman authors was the main deity of the people inhabiting the region, succeeds both the Laugen-Melaun culture of the southern and the Urnfield culture of the northern part of Tyrol.

* Sainsbury's Organic ( SO Organic ): Around 500 lines of food and drink which are derived from sources free from fertiliser or pesticides.

Around 1, 500 are business leaders, drawn from its members, 1, 000 of the world's top companies.

Around 500 the population again increased dramatically and many large new buildings were constructed, mostly in the Rio Bec style of Maya architecture.

Around 400 houses were destroyed, 15 streets incinerated and a total of 1, 500 homes were damaged, leaving 1, 250 people homeless – essentially obliterating the neighbourhood of Roombeek.

* Around midnight UTC ( early morning local time ), reports said that 1, 500 Turkish troops had moved into northern Iraq.

Around the time of Augustus ( c. 5 ) each cohort of the Praetorians numbered 1, 000 men, increasing to 1, 500 men at some time.

Around 190 AD under the leadership of the scholar Pantanaeus, the school of Alexandria became an important institution of religious learning, where students were taught by scholars such as Athenagoras, Clement, Didymus, and the native Egyptian Origen, who was considered the father of theology and who was also active in the field of commentary and comparative Biblical studies.

Around the 12th century AD, the Sultanate of Ifat was established in Djibouti and northern Somalia, eastern Ethiopia with its capital at Zeila in northern Somalia.

Around AD 600, the Taíno Indians, an Arawak culture, arrived on the island, displacing the previous inhabitants.

Around AD 75, work on the civitas forum and basilica had commenced on the site of the former principia and by the late 2nd century the civitas walls had been completed.

Around 200 AD, ten of the plays of Euripides began to be circulated in a select edition, possibly for use in schools, with some commentaries or scholia recorded in the margins.

Around AD 200, Clement of Alexandria noted that John's gospel was a " spiritual gospel ", distinct from the Synoptics.

Around the late 14th century AD, European powdermakers first began adding liquid during grinding to improve mixing, reduce dust, and with it the risk of explosion.

Around AD 600, the Taíno Indians, an Arawak culture, arrived on the island, displacing the previous inhabitants.

Around 1000 AD, cast bronze horseshoes with nail holes became common in Europe.

Around 230 AD, the Kushans were defeated by the Sassanid Empire and replaced by Sassanid vassals known as the Indo-Sassanids.

Around AD 700 Slavic peoples started coming into the eastern parts of Holstein which had previously been settled by Germanic inhabitants and were then evacuated in the course of the Migration Period.

Around 680 AD the Bulgar group, led by khan Kuber ( who belonged to the same clan as the Danubian Bulgarian khan Asparukh ), settled in the Pelagonian plain, and launched campaigns to the region of Thessaloniki.

Around 278 AD Romans moved their regional capital to Tanger and Volubilis started to lose importance.

Around AD 250, Diophantus created a different form of the Pell equation

Around AD 130 the jurist Salvius Iulianus drafted a standard form of the praetor's edict, which was used by all praetors from that time onwards.

Around AD 400, the dissident group split off from Vulcan society and began the long journey to the planets Romulus and Remus.

Around 400 AD, the dissident group split off from Vulcan society and began the long journey to the planet Romulus.

Around 800 AD, they were replaced by the Igneri people, members of the Arawak group.

Around the 1st century AD, according to Funan epigraphy and the records of Chinese historians ( Coedes ), a number of trading settlements of the South appear to have been organized into several Malay states, among the earliest of which are believed to be Langkasuka and Tambralinga.

Around 700 AD, Tai people who did not come under Chinese influence settled in what is now Dien Bien Phu in modern Vietnam according to the Khun Borom legend.

Around 900 AD, major wars were fought between Chiang Saen and Hariphunchai.

Around 1000 AD, Chiang Saen was destroyed by an earthquake with all the inhabitants killed.

Around 1300 AD a new group appears to have settled in Trinidad and Tobago and introduced new cultural attributes which largely replaced the Guayabitoid culture.

Around AD 550, the Brythonic-speaking bard Taliesin wrote the or " Song of Mead.

Around AD 400, she became head of the Platonist school at Alexandria ,< ref >