Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 430s BC 420s BC 410s BC 400s BC 390s BC - 380s BC - 370s BC 360s BC 350s BC 340s BC 330s BC
Years: 388 BC 387 BC 386 BC 385 BC 384 BC - 383 BC - 382 BC 381 BC 380 BC 379 BC 378 BC
- The 19 year lunar cycle is introduced in the Babylonian calendar
- The second Buddhist council was convened by king Kalasoka and held at Vaisali . See the History of Buddhism.