June – The Pax Ecclesiae, an edict by the Catholic Church, is promulgated. Held at three synods in different parts of southern and central France (at Charroux, Narbonne and Puy), it attempts to outlaw acts of war against non-combatants and the clergy.
April 5: 991 Damascus earthquake in Syria: According to historian George Elmacin (13th century), the earthquake caused the fall of 1,000 houses in Damascus itself, and many people were trapped in their ruins and died. The village of Beglabec was reportedly engulfed, due to the earthquake.[1]
Spring: Byzantine Emperor Basil II begins a campaign against the Bulgarians.
June 17 – 18: The royal council of Saint-Basle de Verzy is marked by opposition between the bishops and the monks. Gerbert d'Aurillac is elected as the deposed Arnulf's successor as the Archbishop of Reims, to the anger of Pope John XV, who had no involvement in the decision.
Count Odo I of Blois, who captured Melun, is driven out of the city by the coalition of King Hugh Capet, Count Fulk III of Anjou and Richard I of Normandy; Odo is defeated in Orsay by Bouchard I of Vendôme, a faithful vassal of Capet charged with guarding Melun.
Stavoren is sacked in Viking raids on the ports of Frisia and the mouths of the Rhine.
The Dagome iudex, a document which enumerates the possessions of Mieszko I, is written and entrusted to Pope John XV, who places the Polish territories under papal protection.
Spring – Pietro II Orseolo, doge of Venice, concludes a treaty with Emperor Basil II to transport Byzantine troops, in exchange for commercial privileges in Constantinople. Venetian ships are exempted from customs duties at Abydos (mostly foreign goods are carried on Venetian ships). Venetian merchants in Constantinople are placed directly under the Grand Logothetes (Minister of Finance).[4]
Charles, duke of Lower Lorraine, dies in prison in Orléans (see 991). He is succeeded by his son Otto II, who inherits the full dukedom and pledges his allegiance to Otto III.
Olaf Tryggvason, already a baptised Christian, is confirmed as Christian in a ceremony at Andover. After receiving gifts from Æthelred II, Olaf leaves for Norway.
Goryeo-Khitan War: Negotiations led by the Korean diplomat Sŏ Hŭi prevents a fullscale invasion of the Khitan-led Liao Dynasty. King Seongjong accepts Liao's demands – and agrees to end the alliance with the Chinese Song Dynasty. Goryeo becomes a Liao tributary state, the Khitan army (60,000 men) withdraws while Seongjong orders the Korean border defenses strengthened.[12]
995 Balu earthquake. It reportedly affected the Armenian areas of Balu, Cop'k (or Covk'), Palnatun (or Palin), and the districts of Hasteank and Xorjean. The areas affected were districts in what is currently the border area between Armenia and Turkey.[13]
2 March: Emperor Ichijo orders the imperial police to raid Korechika's residence; Empress Teishi (sister of Korechika) cuts her hair because of the humiliation; Takaie is arrested, Korechika is absent.
5 March: Korechika returns with his head shaven and attired as a monk.
October 24 – King Hugh I Capet dies in Paris after a 9-year reign and is interred in the Basilica of St. Denis. He is succeeded by his 24-year-old son Robert II (the Pious) as king of France. Robert tries (during his reign) to increase his power, by pressing his claim of feudal lands that become vacant. This results in many territorial disputes.
Revolt of Tyre: The citizens of Tyre (modern Lebanon) revolt against the Fatimid Caliphate. Al-Hakim bi-Amr Allah sends a expeditionary army and navy to blockade the city by land and sea.[15]
April 1 – Pope John XV dies of fever after an 11-year reign. Meeting a Roman embassy at Ravenna, Otto appoints his cousin Bruno of Carinthia (a grandson of the late Emperor Otto I), who duly ascends as Gregory V. He becomes the 138th pope – and the first German pope of the Catholic Church.
1 February: Empress Teishi gives birth to Princess Shushi - she is the first child of the emperor, but because of the power struggle between Michinaga and Korechika, the empress is not allowed to go to the palace.
18 May: The imperial court decides to pardon Korechika and Takaie, under the illness of Teishi.
Summer – Roman of Bulgaria dies in captivity in Constantinople. He is succeeded by his brother Samuel (a member of the Cometopuli dynasty) who takes the Bulgarian title of tsar. He possibly receives his 'imperial crown' from Gregory V (approximate date).
King Stephen Držislav of Croatia dies after a 28-year reign. His three sons, Svetoslav, Krešimir III and Gojslav, open a violent contest for the throne, weakening the kingdom and allowing Samuel to encroach on the Croatian possessions along the Adriatic.
King Constantine III dies after a 2-year reign, possibly murdered by a dynastic conflict between two rival lines of royalty. He is succeeded by Kenneth III as sole ruler of Alba (Scotland).
Sabuktigin, founder of the Ghaznavid dynasty, dies after a 20-year reign. He is succeeded by his son Ismail as emir of Ghazna. But many in the court favor his elder brother Mahmud.
Spring – Pope Gregory V is exiled during a rebellion led by Crescentius II (the Younger), patrician (the de facto ruler) of Rome. The Crescentii family appoints Giovanni Filagato (former tutor of Otto III) as an antipope under the name John XVI (or XVII), until 998.
Spring – Otto III retakes Rome and restores power in the papal city. Crescentius II (the Younger) and his followers barricade themselves in Castel Sant'Angelo. Otto's former tutor John Philagathos (Antipope John XVI), who tries to escape into Campania, is pursued by German troops and captured. He is horribly mutilated – his ears, nose and tongue cut off and his eyes are gouged out. Crescentius surrenders at his stronghold and is beheaded. Otto reinstates his cousin, Gregory V, as pope of the Catholic Church.[20]
Fall – Otto III makes Rome the administrative capital of the Holy Roman Empire and begins the construction of his imperial palace on the Palatine Hill. He restores the ancient Roman Senate to its position of prominence and adopts the title of "Emperor of the Romans". To this Otto adds the apostolic devotion formula servus Jesu Christi ('Servant of Jesus Christ').[22]
Battle of Ghazni: The Afghan prince Mahmud defeats his younger brother Ismail (the ruling emir of the Ghaznavid Dynasty) in battle. He places Ismail in comfortable captivity for the rest of his life and expands the realm of his late father, Sebuktigin, into the Punjab in northwestern India.
Summer – Revolt of Tyre: The city of Tyre (modern Lebanon) is stormed by forces of the Fatimid Caliphate. A Byzantine squadron attempts to reinforce but is repulsed by the Fatimid navy. The defenders are massacred or taken captive to Egypt. The Byzantine captives are executed.[24]
July 19 – Battle of Apamea: Byzantine forces under governor (doux) Damian Dalassenos besiege the fortress city of Apamea for control over northern Syria. The Fatimids send a relief army from Damascus – and defeat the Byzantines, Dalassenos is killed by a Kurdish officer in battle.
9 February: The Mogi Ceremony of Fujiwara no Shoshi is held (she later becomes empress).
December: Empress Teishi gives birth to Prince Atsuyasu (who becomes the imperial heir), but on the next day, her rival, Fujiwara no Shoshi, is promoted to Consort.
King Bermudo II abdicates in favor of his 5-year-old son Alfonso V as ruler of León. Moorish invaders have forced Bermudo to recognize the suzerainty of their leader, Umayyad vizier and the de facto ruler Al-Mansur.