Year 400 BC was a year of the pre-Julian Roman calendar. In the Roman Republic, it was known as the Year of the Tribunate of Esquilinus, Capitolinus, Vulso...

The 5th century BC started the first day of 500 BC and ended the last day of 401 BC. This century saw the establishment of Pataliputra as a capital of...

Miletus (c. 624 – 546 BC). Of the Milesian school. Believed that all was made of water. Pherecydes of Syros (c. 620 – c. 550 BC). Cosmologist. Anaximander...

closer to direct inquiry about cause and effect in nature between 600 and 400 BC. However, an element of magic and mythology remained. Natural phenomena...

400 may refer to: 400 (number), the natural number following 399 and preceding 401 A year: 400 BC or AD 400 The Four Hundred, the oligarchic government...

This article concerns the period 409 BC – 400 BC. Alcibiades recaptures Byzantium, ending the city's rebellion from Athens. This action completes Athenian...

the Titans. Tartarus is the place where, according to Plato's Gorgias (c. 400 BC), souls are judged after death and where the wicked received divine punishment...

Pre-Columbian civilizations. The Olmecs regional center was San Lorenzo (1150 - 900 BC) and even though their economic activity in this center is still unknown,...

550–530/20 BC. Coin of Lycia, c. 520–470/60 BC. Lycia coin, c. 520-470 BC. Struck with worn obverse die. Coin of Lesbos, Ionia, c. 510–80 BC. The Classical...

1000 BC until the advent of the Classic Period c. 250 AD, and is subdivided into Early (prior to 1000 BC), Middle (1000–400 BC), and Late (400 BC – 250...