451

Centuries: 4th century - 5th century - 6th century

Decades: 400s 410s 420s 430s 440s - 450s - 460s 470s 480s 490s 500s

Years: 446 447 448 449 450 - 451 - 452 453 454 455 456

• Council of Chalcedon, Ecumenical council of the Christian church
• Attila, king of the Huns, invades Gaul, but is stopped in his tracks at Troyes by Aetius in the Battle of Chalons

Births

Deaths

• Nestorius, founder of Nestorianism (estimated date)