WHAT HAPPENED IN 9. CENTURY
Find out what all happened in the 9. century

Battle of Reading: Æthelred of Wessex fights, and is defeated by, a Danish invasion army. (4. January 871)

Alfred the Great leads a West Saxon army to repel an invasion by Danelaw Vikings. (8. January 871)

Odo, Count of Paris becomes King of the Franks. (13. January 888)

The Battle of the Morcuera took place in the context of the Spanish Reconquista. The battle took place at Hoz de la Morcuera near Miranda de Ebro. The battle pitted the Christian forces of Castile and Asturias under Rodrigo of Castile against the forces of the Emirate of Cordoba under Muhammad I of Córdoba resulting in a decisive Cordoban victory. (2. February 865)

Pope John VIII crowns Charles the Fat, the King of Italy: Holy Roman Emperor (12. February 881)

Charles the Bald and Louis the German swear the Oaths of Strasbourg in the French and German languages. (14. February 842)

The Fourth Council of Constantinople closes. (28. February 870)

Croatian Knyaz Trpimir I issues a statute, a document with the first known written mention of the Croats name in Croatian sources. (4. March 852)

The bones of Saint Nicephorus are interred in the Church of the Holy Apostles, Constantinople. (13. March 874)

Æthelred of Wessex defeats a Danish invasion army at the Battle of Marton. (22. March 871)

Paris is sacked by Viking raiders, probably under Ragnar Lodbrok, who collects a huge ransom in exchange for leaving. (28. March 845)

The Battle of Dayr al-'Aqul saves Baghdad from the Saffarids. (8. April 876)

Halley's Comet and Earth experienced their closest approach to one another when their separating distance equalled 0.0342 AU (3.2 million miles). (10. April 837)

Louis III and Carloman II become joint Kings of the Western Franks. (10. April 879)

The Laguna Copperplate Inscription: the Honourable Namwaran and his children, Lady Angkatan and Bukah, are granted pardon from all their debts by the Commander in chief of Tundun, as represented by the Honourable Jayadewa, Lord Minister of Pailah. Luzon, Philippines. (21. April 900)

The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches. (1. May 880)

A copy of the Diamond Sutra is printed in China, making it oldest known dated printed book. (11. May 868)

Syracuse, Italy, is captured by the Muslim sultan of Sicily. (21. May 878)

Pope John VIII gives blessings to Branimir of Croatia and to the Croatian people, considered to be international recognition of the Croatian state. (21. May 879)

A Byzantine fleet sacks and destroys undefended Damietta in Egypt (22. May 853)