Ancient Greek philosophy
The Axial Age was a period between 750 and 350 BCE during which major intellectual development happened around the world. This included the development of Chinese philosophy by Confucius, Mozi, and others; the "Upanishads" and Gautama Buddha in Indian philosophy; Zoroaster in Ancient Persia; the Jewish prophets Elijah, Isaiah, Jeremiah, and Deutero-Isaiah in Palestine; Ancient Greek philosophy and literature, all independently of each other.