* 1248 – The Dutch city of Ommen receives city rights and fortification rights from Otto III, the Archbishop of Utrecht.

In addition to holding the remains of its founder, it became the burial place of his successor Otto III.

However, Otto died the same year, and although both mother and grandmother were appointed as co-regents for the child-king, Otto III, Theophano forced Adelaide to abdicate and exiled her.

In 995 Otto III came of age, and Adelaide was free to devote herself exclusively to works of charity, notably the foundation or restoration of religious houses.

He thus broke allegiance with Philip and assembled a broad coalition including Emperor Otto IV, King John I of England, Duke Henry I of Brabant, Count William I of Holland, Duke Theobald I of Lorraine, and Duke Henry III of Limburg.

He is rumored to have been a relative of the Holy Roman Emperor Otto III.

The fifteen-year-old Otto III made Bruno a part of his royal court.

In Otto III hoped to open a monastery between the Elbe and the Oder ( somewhere in the pagan lands that became Brandenburg or Western

Hugh was crowned at Noyon on 3 July 987 with the full support from Holy Roman Emperor Otto III.

Die Proklamation des Deutschen Kaiserreiches by Anton von Werner ( 1877 ), depicting the proclamation of the foundation of the German Reich ( 18 January 1871, Palace of Versailles ). Left, on the podium ( in black ): Crown Prince Frederick ( later Frederick III, German Emperor | Frederick III ), his father Emperor William I, German Emperor | William I, and Frederick I, Grand Duke of Baden | Frederick I of Baden, proposing a toast to the new emperor. Centre ( in white ): Otto von Bismarck, first Chancellor of Germany, Helmuth von Moltke the Elder, Prussian Chief of Staff.

In 983, when Henry II, Duke of Bavaria rebelled against the then child Otto III, Holy Roman Emperor, the Magyars occupied Melk.

* 983: Otto III became the first ruling " King of the Romans ", which meant " future Emperor ".

Their son, Otto III, focused his attention on Italy and Rome and employed widespread diplomacy but died young in 1002, to be succeeded by his cousin Henry II, who focused on Germany.

Pope Innocent III, who feared the threat posed by a union of the Empire and Sicily, now supported Sicily's king Frederick II, who marched to Germany and defeated Otto.

Pope Innocent III initially had supported the Welfs, but when Otto, now sole elected monarch, moved to appropriate Sicily, Innocent changed sides and accepted young Frederick II and his ally, King Philip II of France, who defeated Otto at the 1214 Battle of Bouvines.

In relation to the other members of his dynasty, Henry I was the father of Otto I, grandfather of Otto II, great-grandfather of Otto III, and great-grandfather of Henry II.

The congress was organized by Polish king Bolesław Chrobry and Holy Roman Emperor Otto III, and also led to the establishment of bishoprics in Kraków and Wrocław, connecting the territories of the Polish state.

William III, king of the Netherlands, which still had sovereignty over Luxembourg, was willing to sell the grand duchy to France's Emperor Napoleon III in order to retain Limbourg but backed out when Prussian chancellor Otto von Bismarck expressed opposition.

* Eric Idle – Mr Cheeky, Stan / Loretta, Harry the Haggler, Culprit woman who casts first stone, Intensely dull youth, Otto, Gaoler's assistant, Mr Frisbee III.

* 982 – Holy Roman Emperor Otto II is defeated by the Saracens in the battle of Capo Colonna, in Calabria

* 955 – Battle of Lechfeld: Otto I, Holy Roman Emperor defeats the Magyars, ending 50 years of Magyar invasion of the West.

Saint Adelaide of Italy ( 931 / 932 – 16 December 999 ), also called Adelaide of Burgundy, was the second wife of Otto the Great, Holy Roman Emperor.

Among their children, four lived to maturity: Henry, born in 952 ; Bruno, born 953 ; Matilda, the first Princess-Abbess of Quedlinburg, born about 954 ; and Otto II, later Holy Roman Emperor, born 955.

In 951, Adelaide was married to King Otto I, the future Holy Roman Emperor.

* Otto II-born 955, Holy Roman Emperor

In the aftermath of the battle, Otto retreated to his castle of Harzburg and was soon overthrown as Holy Roman Emperor, and replaced by Frederick II.

The publication of the book Crusade against the Grail by the young German Otto Rahn in the 1930s rekindled interest in the connection between the Cathars and the Holy Grail.

A statue in the Cathedral of Magdeburg that is often assumed to represent Otto I, Holy Roman Emperor | Otto and Edith

Edith of England () ( 910 – 26 January 946 ), also spelt Eadgyth or Ædgyth, was the daughter of Edward the Elder, and the wife of Otto I, Holy Roman Emperor.

Nothing is known of her until in order to seal an alliance between two Saxon kingdoms, her half-brother, King Athelstan of England, sent two of his sisters to Germany, instructing the Duke of Saxony ( later Otto I, Holy Roman Emperor ) to choose whichever one pleased him best.

From the time of Otto the Great onward, much of the former Carolingian kingdom of Eastern Francia became the Holy Roman Empire.

* 962 – Translatio imperii: Pope John XII crowns Otto I, Holy Roman Emperor, the first Holy Roman Emperor in nearly 40 years.

In 973, twelve illustrious Magyar envoys, whom probably Géza had assigned, participated in the Diet held by Otto I, Holy Roman Emperor.

In 962, Otto I became the first emperor of the Holy Roman Empire, the medieval German state.

In 936, Otto I the Great was crowned as king at Aachen ; his coronation as emperor by the Pope at Rome in 962 inaugurated what became later known as the Holy Roman Empire, which became to be identified with Germany.

In 962 Otto I was crowned Holy Roman Emperor (), although the Roman imperial title was first restored to Charlemagne by the Pope in 800.

When Otto died in 1218, Fredrick became the undisputed ruler, and in 1220 was crowned Holy Roman Emperor.

Otto IV had the upper hand and became the Holy Roman Emperor at the expense of Philip of Swabia.

In an additional aftermath of the Battle of Bouvines, John's ally Holy Roman Emperor Otto IV was overthrown by Frederick II, member of the House of Hohenstaufen and ally of Philip.

The Bishopric of Brandenburg was a Roman Catholic diocese established by Otto the Great in 948, including the territory between the Elbe on the west, the Oder on the east, and the Schwarze Elster on the south, and taking in the Uckermark to the north.

Otto was sincere in his desire to give Greece good government, but he suffered from two great handicaps, his Roman Catholic faith, and the fact that his marriage to Queen Amalia remained childless.