Year 411 BC was a year of the pre-Julian Roman calendar.

Millennium: 1st millennium BC
Centuries: 6th century BC5th century BC4th century BC
Decades: 440s BC  430s BC  420s BC  – 410s BC –  400s BC  390s BC  380s BC
Years: 414 BC 413 BC 412 BC411 BC410 BC 409 BC 408 BC

Events change

By place change

Greece change

By topic change

Literature change

Births change

Deaths change