Re: Event of the Year
 

1023

The Judge-Governor of Sevilla takes advantage of the disintegration of the caliphate of Córdoba and seizes power as Abbad I, thus founded the Abbadid dynasty.

Re: Event of the Year
 

1022

:jossun:

Several Catharist heretics are killed in Toulouse.

Olof Skötkonung, King of Sweden dies and is succeeded by Anund Jakob.

Synod of Pavia - decrees against non-celibate clergy and against simony

Re: Event of the Year
 

1021

The Moorish state of Valencia becomes independent.

Spain

Re: Event of the Year
 

1020

* Hospice built in Jerusalem by Knights Hospitaller
* City of Saint-Germain-en-Laye founded
* Third Italian campaign of Henry II of Germany
* Canute the Great codifies the laws of England

Re: Event of the Year
 

1019

Moravia becomes part of Bohemia.

Europe

Re: Event of the Year
 

1018

Battle of Vlaardingen: Count Dirk III defeats an army sent by Emperor Henry II at Vlaardingen.

Re: Event of the Year
 

1017

Canute the Great is acclaimed king of England and also wed to Emma of Normandy.

Re: Event of the Year
 

1016

George Tsul, ruler of Khazaria, is captured by a combined Byzantine-Rus' force, which effectively ends Khazaria's existence.

Re: Event of the Year
 

1015

August: Canute the Great invades England.

Re: Event of the Year
 

1014

The Nicene-Constantinopolitan Symbol of the Faith is used for the first time during the Roman Mass after Henry II, the newly crowned Holy Roman Emperor, asked the Pope to add it together with the filioque clause. Prior to this date, the Creed was not used at all during the liturgy.

Re: Event of the Year
 

1013

Danish invasion of England under king Sweyn I. King Ethelred flees to Normandy, and Sweyn becomes king of England.

Re: Event of the Year
 

1012

Mael Morda starts a rebellion against Brian Boru in Ireland, which would eventually end in 1014 at the Battle of Clontarf.

Re: Event of the Year
 

1011

Baghdad Manifesto - Al-Hakim's descent from Ali disputed

Re: Event of the Year
 

1010

Viking explorer Thorfinn Karlsefni attempts to found a settlement in North America (approximate date).

Re: Event of the Year
 

1009

February 14: First known mention of Lithuania, in the annals of the monastery of Quedlinburg.

October 18: The Church of the Holy Sepulchre is destroyed by Caliph al-Hakim bi-Amr Allah.

Re: Event of the Year
 

1008

Olav Haraldsson, the future king of Norway landed on Saaremaa island in Estonia, won a battle there and forced the inhabitants to pay tribute.

Re: Event of the Year
 

1007

* Aethelred buys two years of peace with the Danes for 36,000 pounds of silver.
* Songjiang County, the later city of Shanghai, is founded (approximate date).
* Henry II of Germany founds the diocese of Bamberg.

Re: Event of the Year
 

1006

Aelfheah (St. Alphege) goes to Pope John XVIII at Rome for his pallium and becomes archbishop of Canterbury.

Re: Event of the Year
 

1005

Pomerania revolts against the church

Re: Event of the Year
 

1004

Boleslaus I of Poland loses Bohemia after having become duke the previous year. He is succeeded as duke of Bohemia by Jaromir.

Liao Dynasty launches a major offensive against the Song Dynasty. They meet near Shanyang, north of the Song capital of Kaifeng.

Re: Event of the Year
 

1003

King Robert II of France invades Burgundy, but fails.

Re: Event of the Year
 

1002

# November 13 - English king Ethelred gives order to kill all Danes in England, leading to the St. Brice's Day Massacre.
# Brian Boru rises to power in Ireland, taking the title of High King.

Re: Event of the Year
 

1001

Grand Prince Stephen I of Hungary is named the first King of Hungary by Pope Silvester II.

Re: Event of the Year
 

1000

Persian scientist Avicenna hypothesized two causes of mountains: "Either they are the effects of upheavals of the crust of the earth, or they are the effect of water, which, cutting itself a new route, has denuded the valleys." He also published Al-Quanun, or The Canon of Medicine, where he held that medicines were to be known either by experiment or by reasoning.

Re: Event of the Year
 

999

Pope Silvester II succeeds Pope Gregory V as the 139th Pope.

Sigmunder Brestisson introduces Christianity to the Faroe Islands.

Orsay, the small town just outside Paris is founded.

Re: Event of the Year
 

998

* Benedictine abbey founded at Sherborne

Re: Event of the Year
 

997

Trondheim, Norway is founded by the king Olav Tryggvason. This will function as the main city and capital of Norway until Bergen is founded in 1070.

Re: Event of the Year
 

996

# March/April - Pope John XV dies before being able to crown Otto III, King of Germany as Holy Roman Emperor. Otto resides in Pavia while waiting for the election of the next Pope.
# May 3 - Pope Gregory V succeeds Pope John XV as the 138th pope. He was twenty-four year old Bruno of Carinthia, grandson of Otto I, Holy Roman Emperor and first cousin of Otto III. He is the first German Pope.

Re: Event of the Year
 

995

Basil II lifts the siege of Aleppo by mounting his entire army and transferring it across Anatolia in sixteen days.

Re: Event of the Year
 

994

Otto III reaches his majority and begins to rule Germany in his own right.

Re: Event of the Year
 

993

July4 - Saint Ulrich of Augsburg canonized

Re: Event of the Year
 

992

Boleslaus becomes Duke of Poland

Conan I of Rennes dies in battle

Re: Event of the Year
 

991

* Battle of Maldon
* Sweyn I of Denmark recovers his throne

Re: Event of the Year
 

990

January 1 - Kievan Rus' adopts the Julian Calendar.

Construction of the Al-Hakim Mosque begins in Cairo.

Re: Event of the Year
 

989

* September - Halley's Comet is at perihelion
* Sankore University founded in Timbuktu

Re: Event of the Year
 

988

Vladimir I, Prince of Kiev marries Anna, sister of Byzantine emperor Basil II and converts to Christianity. Baptism of Kievan Rus'.

Re: Event of the Year
 

987

* Hugh Capet, Count of Paris, crowned King of France
* Kukulcan conquers Chichen Itza

Re: Event of the Year
 

986

March 2- Louis V becomes King of the Franks.

End of the reign of Emporer Kazan, emporer of Japan.

Re: Event of the Year
 

985

# Barcelona sacked by Al-Mansur
# Greenland colonized by Icelandic Viking Erik the Red (the date is according to legend but has been established as at least approximately correct)
# Lady Wulfruna founded the town that later became the city of Wolverhampton.

Re: Event of the Year
 

984

Emperor Kazan ascends to the thorne in Japan.

Antipope Boniface VII murders Pope John XIV.

Re: Event of the Year
 

983

First cathedral founded on site of current Worcester cathedral, UK, by Bishop Oswald.

Chhiao Wei-Yo invents Pound lock for canal in China.