Gerbert now became the teacher of Otto III, and Pope Gregory V ( 996 – 999 ), Otto III's cousin, appointed him Archbishop of Ravenna in 998.

Though the nominal ruler of Germany, Otto III's minor status ensured his various regents held power over the Empire.

When his rebellion failed to gain the support of Germany's aristocracy, Henry II was forced to abandon his claims to the throne and to allow Otto III's mother Theophanu, who would serve as regent until 991.

Still only a child, Otto III's grandmother, the Dowager Empress Adelaide of Italy, served as regent until Otto III reached adulthood in 994.

Otto III's actions throughout his life further strengthened Imperial control over the Catholic Church.

Immediately prior to Otto III's birth, his father had completed military campaigns in France against King Lothar.

News of Otto II's death first reached Germany shortly after Otto III's coronation.

With a minor on the throne, the Empire was thrown into confusion, with Otto III's mother Theophanu assuming the role of regent for her young son.

Henry II, Duke of Bavaria, served as Otto III's regent from 983 to 984.

Following a failed rebellion to claim the throne from himself, Henry II was forced to pass the regency to Otto III's mother Theophanu.

Otto III's cousin Henry II, who had been deposed as Duke of Bavaria by Otto II in 976 following his failed rebellion, had been imprisoned under the Bishopric of Utrecht since his failed rebellion.

As Otto III's nearest male Ottonian relative, Henry II claimed the regency over his infant cousin.

Only Otto III's mother Theophanu objected, as well as Otto III's grandmother, the Dowager Empress Adelaide of Italy, and his aunt, Abbess Matilda of Quedlinburg.

Otto III's mother Theophanu would serve as his regent from 984 until her death in 991.

She served as Otto III's regent from 984 until her death in 991.

Though Theophanu was Otto III's regent, Willigis was given considerable leeway in administering the kingdom.

The conflict began in 989 when Otto III's older sister Sophia became a nun in the Abbey.

One of Otto III's first actions as an independent ruler was to appointed Heribert of Cologne as his chancellor over Italy, a position he would hold until Otto III's death in 1002.

* Emperor Otto III makes a pilgrimage from Rome to Aachen and Gniezno ( Gnesen ), stopping at Regensburg, Meissen, Magdeburg, and Gniezno.

In 999, Otto made a pilgrimage from Gargano to Benevento, where he met with the hermit monk Romuald and the Abbot Nilus the Younger ( then a highly venerated religious figure ) in order to atone for having executed Crescentius II after promising his safety.

In December 999, Otto III left Italy to make ​​ a pilgrimage from Rome to Gniezno in Poland.

Consequently in the year 1000, Otto III visited Poland under the pretext of a pilgrimage to the grave of his friend, the recently canonized Bishop Adalbert ( Vojtěch ).

According to the chronicles of Thietmar of Merseburg, Otto III, who had been a friend of Adalbert, committed to a pilgrimage from Italy to St. Adalbert's tomb in Gniezno ; in his attempt to extend the influence of Christianity in Eastern Europe, and to renew the Holy Roman Empire based on a federal concept (" renovatio Imperii Romanorum ") with the Polish and Hungarian duchies upgraded to eastern federati of the empire.

On the pilgrimage to Gniezno, Emperor Otto III was received by Bolesław at the Polish border on the Bóbr river near Małomice.

Emperor Otto III made the couple a present in 1001 of the Pfalz or palatium in Stiepel ( now Bochum-Stiepel ), where in 1008 Emma had a church built dedicated to the Virgin Mary, which later became a popular place of pilgrimage.

In AD 1000, during his pilgrimage to the tomb of Saint Adalbert in Gniezno, the capital of Poland until about 1040, Emperor Otto III officially recognized Duke Bolesław I the Brave as King of Poland ( see Congress of Gniezno ), crowning him and presenting him with a replica of the Holy Lance, also known as Saint Maurice's Spear.

Otto II's victory allowed him to exclude the Bavarain line of Ottonians from the line of Imperial succession.

Otto II's coronation allowed marriage negotiations to begin with the East.

Also, the appointment of Conrad I allowed the House of the Conradines to return to power in Swabia for the first time since Emperor Otto I in 948.

In 1881, a toll road was opened by Otto Mears which allowed wagons to go where only pack mules could go before.

Once he rid himself of his Bavarian advisers, Otto allowed the statutory dissolution of the monasteries to lapse.

Director Otto Preminger cast Dorothy in his 1946 film, Centennial Summer, and she was said to have been amused that she and some of the other stars were allowed to sing Jerome Kern ’ s music.

Werner Theodor Otto Forßmann ( 29 August 1904 – 1 June 1979 ) was a physician from Germany who shared the 1956 Nobel Prize in Medicine ( with Andre Cournand and Dickinson Richards ) for developing a procedure that allowed for cardiac catheterization.

Otto ordered the building to be used as a museum, in which capacity it remained until 1934, when it reverted to its status of an ancient monument and extensive archaeological research was allowed.

Villani's reasoning for Rome's decline was the schisms of the Church and rebellion against the papal institution, while the ascension of Otto I, Holy Roman Emperor ( r. 962 – 973 ) allowed for the conditions of Florence's rise against enemies of papal authority, such as Florentine-conquered Fiesole.

His son Otto Habsburg-Lothringen, who had used the title Archduke of Austria in his earlier life outside of Austria, in 1961 to be allowed to enter Austria declared himself a loyal citizen of the Republic of Austria ; from this date onward he was not pretender anymore.

The original Atkinson cycle piston engine allowed the intake, compression, power, and exhaust strokes of the four-stroke cycle to occur in a single turn of the crankshaft and was designed to avoid infringing certain patents covering Otto cycle engines.

The success against Ukraine allowed the Greek squad to compete in the 2010 FIFA World Cup held in South Africa and solidified the position of Otto Rehhagel as one of the most important people in the history of Greek sport.

Otto Schlicht patented an action in 1932 () which improved the pivot method of the action levers and allowed action levers to be manufactured by bending metal stock rather than by die stamping.

Miep Gies was also questioned, but allowed to stay on the premises after Kugler and his associate Johannes Kleiman, together with Otto Frank, Edith Frank-Holländer, Margot Frank, Anne Frank, Hermann van Pels, Auguste van Pels, Peter van Pels, and Fritz Pfeffer, were arrested and taken to Gestapo headquarters.

Otto I promoted the mendicant orders and allowed the Franciscans to build a monastery at the western entrance of the town in 1289.

Ben Hecht and Andrew Solt have tightly woven a screenplay a novel by Guy Endore about the effects of hypnosis on the subconscious, but they, and Otto Preminger in his direction, have eliminated the phoney characteristics that might easily have allowed the picture to slither into becoming just another eerie melodrama.

In 1961, his father Otto von Habsburg renounced all claims to the Austrian throne, as a necessary legal condition to being allowed to return to Austria.

In 1940 this allowed him to prevent the Nazi confiscation of Opekta and he accepted the directorship of the business, renamed Gies and Co, from Otto Frank.

These stations allowed Otto Wagner to achieve his goal of creating two modern axes of architecture in a city that was becoming one of the most modern cities of its time.

Greunig's study describes the breed's early development by Otto Goeller, whose hand allowed the Doberman to become the dog we recognize today.