In 1451 the city was home to the Treaty of Gaeta, stipulated between Alfonso V and the Albanian lord, Skanderbeg: the treaty ensured protection of the Albanian lands in exchange for political suzerainty of Skanderbeg to Alfonso.

The Countess was executed on Henry VIII's orders in 1451 and all her lands were forfeit and split up.

In 1455, Altenburg saw the division ( Altenburger Teilung ) of the Meißen lands between Elector Frederick II ( the Gentle ) and Duke William that led, after a failed attempt at reconciliation ( Hallescher Machtspruch ) to a war ( 1446 – 1451 ) between the two brothers ( Bruderkrieg ).

On 20 December 1451 he had a Crown charter of the Lordship of Hailes and other lordships and lands, which his predecessors formerly held in heritage of the Earls of March, who again held them of the Crown in chief ; also the lands of Prendergast and others in the sheriffdom of Berwick, with all rights in the lands formerly held by George de Dunbar, 11th Earl of March, and forfeited by him :- the whole erected into a free barony to be called the feudal barony of Hailes.

Henry VI and his queen Margaret of Anjou made several visits to Coventry, and in 1451, as a mark of favour, Coventry and certain hamlets and villages adjacent became an entire and separate county, the County of the City of Coventry and the Bailiffs raised to the rank of Sheriffs.

The County of the City of Coventry was a former English county, ( officially a County corporate ) which existed between 1451 and 1842.

* Elisabeth, Duchess of Luxembourg ( 1390 – 1451 ), granddaughter of Charles IV of Luxemburg.

Nine months later, on 15 March 1451, he and 19 others were ordered to be arrested.

Probably, these cards were painted by Bonifacio Bembo or Francesco Zavattari between 1451 and 1453.

At the University's foundation in 1451, there were four original faculties: Arts, Divinity, Law and Medicine.

Eventually, his reputation was rehabilitated by his relative, ' Abdullah ( 1450 – 1451 ), who placed Ulugh Beg's remains in the tomb of Timur in Samarkand, where they were found by archeologists in 1941.

His parents were Sir William Boleyn ( 1451 – 10 October 1505 ) and Lady Margaret Butler ( 1454 – 1539 ).

These decoration were carried out during the years 1441 – 1451 by Domenico Veneziano and in conjunction with Andrea del Castagno.

Claims were made that he was born in May 1452, or 10 or 20 July 1451.

From 1451, Sweden and Denmark were in state of war against each other.

It is generally considered that spectacles for correcting long sightedness with convex lenses were invented in Northern Italy in the late 13th to early 14th century, and the invention of the use of concave lenses to correct near-sightedness is ascribed to Nicholas of Cusa in 1451.

Another fortress, Rumelihisarı, was built between 1451 and 1452 by Sultan Mehmed II opposite of Anadoluhisarı on the European side in order to obtain absolute control over the sea traffic of the Bosporus Strait, which was especially vital for the Genoese in Galata, who were allied with the Byzantines and had colonies in the Black Sea such as Caffa, Sinop and Amasra.

Cusanus ' attitude toward the Jews was not always mild ; on September 21, 1451 he ordered that Jews of Arnhem were to wear a Jew-badge.

The five dynasties were the Mamluk dynasty ( 1206 – 90 ); the Khilji dynasty ( 1290 – 1320 ); the Tughlaq dynasty ( 1320 – 1414 ); the Sayyid dynasty ( 1414 – 51 ); and the Afghan Lodi dynasty ( 1451 – 1526 ).

However, in 1451 the abbey became an ally of Zürich, Lucerne, Schwyz and Glarus who were all members of the Confederation.

Between 1451 and 1453, his fiery sermons against Jews persuaded many southern German regions to expel their entire Jewish population, and at Breslau some were burned at the stake.

But as the Habsburg dukes were unable to support him in any way, he was forced to seek help from the confederates, and the abbey became a protectorate of the confederacy on August 17, 1451.

Togtoo-Bukha supported the Three guards and led his own forces openly against Esen in 1451 ; but they were outnumbered by Oirat loyalists and the nominal Khan was caught and killed by eastern tribesmen as he attempted to retreat.

Bishnois were founded by Guru Jambheshwar of Bikaner, who was born in 1451 A. D, and is buried in Talwa / Mukam in Bikaner.

The five dynasties were the Mamluk dynasty ( 1206 – 90 ); the Khalji dynasty ( 1290 – 1320 ); the Tughlaq dynasty ( 1320 – 1414 ); the Sayyid dynasty ( 1414 – 51 ); and the Lodi dynasty ( 1451 – 1526 ).

When " English run " Bayonne surrendered to the French in 1451, no one knowns if these " undivided status " villages within the English-Navarrese frontier, were taken by the French, too.

Stronger and more effective hwachas were made in 1451 under the decree of King Munjong.

By the end of 1451, hundreds of hwachas were deployed throughout the peninsula.

As the imperial age went into decline, continued up to the 18th century, it is accentuated by the many earthquakes ( 1361, 1456, 1627, 1659 ), experiences being sacked ( in particular, the Tarantini in 1451 and the French troops of Napoleon Bonaparte in 1803 ) and loss of the bishopric.

During the second half of the 15th century, along with Funchal, Machico was elevated to town ( 1451 ) and continued to grow, following the course of the ravine into the valley.

With the assassination of Bogdan II of Moldavia in 1451 by his brother Petru Aron, the country fell into civil war, as two pretenders fought for the throne: Aron and Alexăndrel.

Even though Hungary had made peace with the Turks in 1451, Hunyadi wanted to transform Wallachia and Moldavia into a barrier that would protect the kingdom from Ottoman expansion.

rect 445 1451 519 1487 Joanna of Burgundy ( 1253-1271 )

He was frequently deployed to embassies by Popes Eugene IV and Nicholas V: in 1439, he was sent as legate to Milan and Burgundy, to oppose the claims of the Antipope Felix V ; in 1446, he was on a mission to the King of France ; in 1451 he went at the request of the emperor as Apostolic Nuncio to Austria.

The duke of Burgundy entrusted him with embassies to the pope and the king of France ( in 1451, Charles VII ), and subsequently sent him to put down the revolt of the inhabitants of Ghent, in which expedition he was killed.

In 1451, Aegina became Venetian.

In 1451 Berlin became the royal residence of the Brandenburg electors, and Berlin had to give up its status as a free Hanseatic city.

The abbot became an ally of several members of the Swiss Confederation ( Zürich, Lucerne, Schwyz and Glarus ) in 1451.

* 1451: Berlin became the royal residence of the Brandenburg electors, and Berlin had to give up its status as a free Hanseatic city.

The town continued to grow as an important market town, and in 1451 the town became a burgh.

In 1451 he became a Knight of the Garter.

Under Frienisberg it became the parish church of the local parish in 1451.

( John Wessington ( also Washington ) ( died 1451 ) was an English Benedictine who became prior of Durham Abbey.

In 1436 Elanor became a maid of honour to Queen Arwen Evenstar, and in 1451 she married Fastred of Greenholm.

In 1451, along with the abbot of Melrose Abbey, he received a safe-conduct to allow him to make a pilgrimage to Canterbury, and in 1452 he became Master of the Household to James II.

He became the first sultan of the dynasty on 19 April 1451 ( 855 AH ).

From Eton he passed to King's College, Cambridge, in 1451, and became a fellow there in 1454.

However, it never became a formal title within the ruler's formal style, unlike Sultan ul-Mujahidin, used by Sultan Murad Khan II Khoja-Ghazi, 6th Sovereign of the House of Osman ( 1421 – 1451 ), styled ' Abu ' l Hayrat, Sultan ul-Mujahidin, Khan of Khans, Grand Sultan of Anatolia and Rumelia, and of the Cities of Adrianople and Philippolis.

In 1440, he resigned his post but, in 1451, on the death of his successor John Stoke, he became abbot for the second time.

Nothing is known about his life until 1451, when he became choirmaster at the church of St Vincent, Soignies, near Mons in Hainaut.

In 1451, the bishops of Venice became Patriarchs of Venice.

In 1451 he was employed by the Duke of Savoy, and he became administrator of the abbey of Novalèse in 1459.