Encyclopedia > 509 BC

  Article Content

500s BC

Redirected from 509 BC

Centuries: 7th century BC - 6th century BC - 5th century BC

Decades: 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC - 460s BC - 450s BC

Events and Trends

Significant People

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Leon Walras

... his work provided the foundation for later work which extended general equilibrium theory, notably that of Kenneth Arrow and Gerard Debreu[?]. He also developed ...