500 BCE
The world population reaches 100,000,000—85,000,000 in the Eastern Hemisphere and 15,000,000 in the Western Hemisphere, primarily Mesoamerica and northern South America (Mexico, Central America, Colombia, Peru, Venezuela). The She-wolf, with late 15th century or early 16th century additions (twins), is made. It is now kept at the Museo Capitolino in Rome (approximate date). Darius I of Persia proclaims that Aramaic will be the official language of the western half of his empire.
Geopolitics & Diplomacy
- States in existence include the Kingdom of Pratipalapura (centred on modern Bhattiprolu, in Guntur district, Andhra Pradesh).source
- Early Pandyan Kingdom was ruled by the Pandyas during the second Sangam period.source
- The first republic in Vaishali, Bihar, India, is founded.source
- Darius I of Persia proclaims that Aramaic will be the official language of the western half of his empire.source
Conflict & Security
- Yayoi period starts in Ancient Japan (approximate date).source
Exploration & Expansion
- Hanno the Navigator's naval exploration of the western coast of Africa could have reached as far south as Gabon.source
- Bantu-speaking people migrate into south-west Uganda from Central Africa. (approximate date)source
- Refugees from Teos resettle Abdera.source
- The Hutu tribe emerges around this time, in Middle and Southern Africa. (approximate date)source
Religion & Belief
- The Olmec established Monte Albán, the sacred city, and continued building pyramids. Founded toward the end of the Middle Formative period at around 500 BCE, by the Terminal Formative (ca.100 BCE–CE 200) Monte Albán soon became the capital of a large-scale expansionist polity that dominated much of the Oaxacan highlands and interacts with other Mesoamerican regional states, such as Teotihuacan to the north (Paddock 1983; Marcus 1983).source
Technology & Infrastructure
- The Nordic Bronze Age civilization ends and the Pre-Roman Iron Age begins in Scandinavia, according to the Oscar Montelius periodization system (approximate date).source
Science & Discovery
Health & Medicine
- The world population reaches 100,000,000—85,000,000 in the Eastern Hemisphere and 15,000,000 in the Western Hemisphere, primarily Mesoamerica and northern South America (Mexico, Central America, Colombia, Peru, Venezuela).source
Crime & Justice
Births
- Anaxagoras, Pre-Socratic Greek philosopher (approximate date) (d. 428 BCE)source