1004

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	970s 980s 990s – 1000s – 1010s 1020s 1030s
Years:	1001 1002 1003 – 1004 – 1005 1006 1007

Year 1004 (MIV) was a leap year starting on Saturday of the Julian calendar.

Events

December – The Samanid dynasty ends in Bokhara.
The Liao Dynasty starts a battle against the Song Dynasty. They meet near Shanyang, north of the Song capital of Kaifeng.
Battle of Shanzhou: The Liao Dynasty general Xiao Talin is killed by a Song Chinese crossbow sniper.

May 14 – Henry II is crowned Holy Roman Emperor at Pavia. A fight between his German companions and the Pavese becomes a full-scale battle.
Henry II starts war against Boleslav of Poland. It lasts until 1018.
Boleslaus I of Poland loses Bohemia. He had become duke the previous year. He is succeeded as duke of Bohemia by Jaromir.
Sancho III becomes king of Navarre, Aragon and Castille.
Sweyn I of Denmark destroys Norwich.
Aberdeen becomes a bishopric.
Arabs sack Pisa.
The troops of the vizir Al-Mansur sack the Catalan city of Manresa.^[2]
Pope John XVIII (1004–1009).

November 13 – Abbon of Fleury
Adelaide of Aquitaine, wife of Hugh Capet
Erik the Red (or 1003) (b. 950)
Li Jiqian, Tangut jiedushi who ruled the new Western Xia Dynasty in northwestern China (b. 963)