520s

Millennium:	1st millennium
Centuries:	5th century – 6th century – 7th century
Decades:	490s 500s 510s – 520s – 530s 540s 550s
Years:	520 521 522 523 524 525 526 527 528 529
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

The 520s decade ran from January 1, 520, to December 31, 529.

Events and trends

• Maelgwn Hir ap Cadwallon, perhaps legendary, assumes the throne of Gwynedd in Great Britain (possible date)
• The Golden Gate of Jerusalem is built (probable date)
• 523—John I succeeds Hormisdas as Pope of Rome. John I dies in 526.
• 523—Seong becomes king of Baekje. He later makes Buddhism his state religion.
• 525—Axum(Ethiopia) conquers Sheba(Yemen)
• 526—Earthquake kills approximately 300,000 in Syria and Antioch.
• 527—Justinian I succeeds Justin I as Emperor of the Eastern Roman Empire.
• 527—The Kingdom of Essex is founded by the Saxons.
• 528—Bulguksa, a Buddhist temple, is built in Korea.
• 529—first draft of Corpus Juris Civilis (a fundamental work in jurisprudence) is issued by Emperor Justinian I
• 529—The Academy at Athens, founded by Plato in 347 BC, is closed by Emperor Justinian I.
• 529—The Church of the Nativity is burnt down during a revolt by the Samaritans.
• 529—Saint Benedict of Nursia founds the monastery of Monte Cassino in Italy.