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The 990s

285 sourced entries across 10 years, inside the 10th century. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

990 CE33 entries

  • 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.
  • Construction of the Al-Hakim Mosque by orders of the Fatimid vizier Gawar Al-Siqilli begins in Cairo (modern Egypt).
  • Al-Mansur, Chancellor and effective ruler of Al-Andalus, conquers the Castle of Montemor-o-Velho (modern Portugal), expanding the Umayyad Caliphate of Córdoba.

991 CE29 entries

  • 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.
  • August 11: Following a raid by Olaf Tryggvason at the mouth of the River Thames, ealdorman Byrhtnoth is killed in the Battle of Maldon in Essex, which is commemorated in the Old English poem The Battle of Maldon. Æthelred the Unready is forced to pay a tribute of 22,000 pounds of silver for Tryggvason to withdraw his troops; this is the first in a series of Danegelds.
  • November 22: The beginning of the reign of al-Qadir, Abbasid caliph of Baghdad, under the tutelage of the Buyids and following the deposition of al-Ta'i.

992 CE24 entries

  • May 25 – Mieszko I, prince (duke) of the Polans, dies after a reign of more than 30 years at Poznań. He is succeeded by his son Bolesław I the Brave who becomes ruler of Poland. Having inherited the principality (located between the Oder and the Warta rivers), Bolesław forms an alliance with the Holy Roman Empire.
  • June 27 – Battle of Conquereuil: The Angevins under Fulk III "the Black", Count of Anjou, defeat the forces of Conan I, duke of Brittany, who is killed in the battle at Conquereuil (France).
  • Approximate date – Norse Viking settlers establish a mint in Dublin (Ireland), to produce silver pennies.

993 CE19 entries

  • July 4 – Pope John XV issues a decree canonizing the late Bishop Ulrich of Augsburg, the first recorded canonization of a saint.
  • Spring – The 12-year-old King Otto III gives the Sword of Saints Cosmas and Damian (also known as the Sword of Essen) as a gift to the convent in Essen. It symbolises the martyrdom of Cosmas and Damian, the patron saints of the city.
  • An increase in concentration, recorded in tree rings, as well as and isotopes, recorded in ice cores, suggests that a strong solar storm may have hit the Earth in either 993 or 994.

994 CE28 entries

  • June 23 – Viking Age: Danish Viking raiders, (probably) under King Sweyn Forkbeard, plunder the city of Stade (Lower Saxony). Count Lothair Udo I is captured and killed, during the battle with the pirates.
  • September 15 – Battle of the Orontes: Fatimid forces, under Turkish general Manjutakin (also the governor of Damascus), besiege Apamea (modern Syria). Emperor Basil II sends a Byzantine expeditionary army, led by Dux Michael Bourtzes, to relieve the city in alliance with the Hamdanid Dynasty. Manjutakin defeats the Hamdanids with his forces and attacks the Byzantine force in the rear. The Byzantine army panics and flees, losing some 5,000 men in the process.
  • September – King Otto III, now 14 years old, receives the regalia to rule the Kingdom of Germany at an assembly of the Imperial Diet in Solingen. Otto appoints Heribert of Cologne as chancellor of Italy.

995 CE37 entries

  • 30 August - Retainers of Takaie clash with retainers of Michinaga, on the main street of Kyoto.
  • 4 September - Michinaga’s escort, Hata no Hisatada, is killed by Takaie’s followers.
  • 15 October - Michinaga becomes Chief of the Fujiwara Clan.

996 CE30 entries

  • March 2: 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.
  • May 15 – The new Fatimid navy is destroyed by fire, resulting in anti-Christian pogroms in Cairo.
  • October 14 – Caliph Al-Aziz Billah dies at Bilbeis in Egypt after a 21-year reign in which he has expanded his Shiite caliphate at the expense of the Byzantines, using Turkish mercenaries (Mamelukes). He is succeeded by his 11-year-old son Al-Hakim bi-Amr Allah as ruler of the Fatimid Caliphate (until 1021).

997 CE30 entries

  • 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.
  • April 23 – Adalbert, exiled bishop of Prague, organises a mission to convert the Old Prussians in north-east Poland. On his way, Adalbert is murdered by pagans on the Baltic coast. His body is bought back for its weight in gold by Duke Bolesław I (the Brave).
  • July 16 – Battle of Spercheios: Byzantine forces, under General Nikephoros Ouranos, defeat the Bulgarians at the Spercheios River in Greece. During a night battle, the Bulgarian co-ruler Samuel is wounded; he and his son Gavril Radomir evade capture, by feigning death among the bodies of their slain soldiers. Samuel sets off to Bulgaria, and retreats with the remnants of his army, into the Pindus Mountains. Ouranos returns to Constantinople, with 1,000 heads of Bulgarian soldiers and 12,000 captives.

998 CE27 entries

  • 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.
  • Bishop Wulfsige III establishes a Benedictine abbey at Sherborne (Dorsetshire).
  • 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.

999 CE28 entries

  • February 18 – Pope Gregory V dies after a 3-year pontificate in which the Crescentii family forced him to flee Rome. He is succeeded by Sylvester II as the 139th pope of the Catholic Church.
  • September 9 (999 or 1000) – Battle of Svolder: A Norwegian fleet, commanded by Olaf Tryggvason in his longship Ormrinn langi, is defeated by the combined fleet of the Danish king Sweyn Forkbeard and his Swedish counterpart Olof Skötkonung, resulting in Tryggvason's death, and the splitting up of Norway between Sweden and Denmark.
  • December 30 – Battle of Glenmama: The combined forces of Munster and Meath under Brian Boru (High King of Ireland) inflict a crushing defeat on the allied armies of Leinster and Dublin near Lyons Hill (County Kildare).