He was sent to France as legate by Pope Nicholas V to make peace between Charles VII and England ( 1451 ), and undertook at the instigation of the inquisitor general Jean Brehal an ex officio revision of the trial of Joan of Arc ; he afterwards reformed the statutes of the University of Paris.

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.

In 1451 the emperor Frederick III, as guardian of the young king Ladislaus, entrusted Poděbrad with the administration of Bohemia.

Allan H. Stevenson, by comparing the watermarks in the paper used in blockbooks with watermarks in dated documents, concluded that the " heyday " of blockbooks was the 1460s, but that at least one dated from about 1451.

* Isabella I of Castile, co-ruler of Spain with Ferdinand II of Aragon and responsible for the unification of Spain and the discovery of the New World ( 1451 – 1504 ).

Manuel II stood on friendly terms with the victor in the Ottoman civil war, Mehmed I ( 1402 – 1421 ), but his attempts to meddle in the next contested succession led to a new assault on Constantinople by Murad II ( 1421 – 1451 ) in 1422.

Because of this, Mehmed considered Constantine to have broken the truce and the following winter of 1451 – 52, Mehmed built Rumelihisari, a hill fortress on the European side of the Bosporus, just north of the city cutting the communication with the Black Sea to the east.

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

But James did not acquiesce with this situation without argument, and between 1451 and 1455 he struggled to free himself from the power of the Douglases.

Attempts to curb the Douglases ' power took place in 1451, during the absence of the Earl of Douglas from Scotland, and culminated with the murder of Lord Douglas at Stirling Castle on 22 February 1452.

The city was sold in 1451 and in 1523 to the Habsburgs and continued under Austrian rule, with a brief occupation by Swedish forces under Carl Gustaf Wrangel during the 30 Years ' War, until the 19th century.

* Isabella I of Castile ( 1451 – 1504, " Queen Isabella of Spain "), queen regnant ; also queen consort of Ferdinand II of Aragon with whom she financed Christopher Columbus ' 1492 voyage to America

In 1451, Yuttitthira, a Sukhothai royalty who had conflicts with Trailokanat of Ayutthaya, gave himself to Tilokaraj.

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.

Between January 1451 and September 1453 he completed the frescoes with Scenes of Life of the Virgin left unfinished by Domenico Veneziano in the Florentine church of Sant ' Egidio ( now lost ).

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.

** with Bartolomeo Contarini ( 1451 – 1454 )

* 1451: Contract with St. Gallen Abbey and Zurich, Lucerne and Schwyz and Glarus

The record was released by Capitol Records as catalog number 1451, with the flip side " Walkin ' and Whistlin ' Blues ", and spent 25 weeks ( beginning on March 23, 1951 ) on the Billboard chart, 9 weeks at # 1.

But by conquering and annexing the emirate of Karamanid ( May – June, 1451 ) and by renewing the peace treaties with Venice ( September 10 ) and Hungary ( November 20 ) Mehmed II proved his skills both on the military and the political front and was soon accepted by the noble class of the Ottoman court.

When in 1451 the bankrupt Byzantines asked Mehmed to double the tribute for holding an Ottoman pretender for the throne, he used the request as a pretext for annulling all treaties with the Byzantine Empire.

On 7 January 1451, Pope Nicholas V issued a papal bull decreeing the foundation of the University of Glasgow, which started classes in the Glasgow Cathedral buildings, with Turnbull as the first chancellor.

The intercession of the Theotokos through the image was credited also with saving Moscow from Tatar hordes in 1451 and 1480.

It was restored and renovated many times, with the addition of a Gothic arch in 1451, a belltower in 1523 and interior renovations in the 18th century.

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.

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.

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.

* Juan Rodríguez de Fonseca ( 1451 – 1524 ), Spanish religious leader & government administrator

After his coronation, in 1451, Constantine XI sent a commission under George Sphrantzes asking Mara Branković, daughter of the Serbian Despot Đurađ Branković and Byzantine princess Irene Kantakouzene, by then the widow of Murad II, to marry him ( Maria had been allowed to return to her parents in Serbia after the death of Murad ).

The Complete Peerage cites a jury on which " Sir George de Seton of that Ilk " served on March 22, 1451 ( 1450 / 1 ), and states that " he was created, shortly after that date, a Lord of Parliament as Lord Seton ".

He was also a powerful and consistent supporter of Skanderbeg, whom he decided to take under his protection as a vassal in 1451, shortly after the latter had scored his second victory against Murad II.

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 estate is recorded in 1451 as " Bouchmorale ", and was later tenanted by Alexander Gordon, second son of the 1st Earl of Huntly.

* 1508 – René II, Duke of Lorraine ( b. 1451 )

* 1451 – Sultan Mehmed II inherits the throne of the Ottoman Empire.

After the peace, Sforza renounced part of the conquests in eastern Lombardy obtained by his condottieri Bartolomeo Colleoni, Ludovico Gonzaga, and Roberto Sanseverino after 1451.

Some printed editions of Ars Minor, a schoolbook on Latin grammar by Aelius Donatus may have been printed by Gutenberg ; these have been dated either 1451 – 52 or 1455.

Elisabeth died in 1451, but Philip accelerated things by expelling Elisabeth in 1443.

* 1451 – René II, Duke of Lorraine ( d. 1508 )

Murad II Kodja ( June 1404, Amasya – 3 February 1451, Edirne ) ( Ottoman Turkish: مراد ثانى Murād-ı < u > s </ u > ānī, Turkish: II.

In the winter of 1450 – 1451, Murad II fell ill, and died in Edirne.

* 1504 – Queen Isabella I of Castile ( b. 1451 )

In 1451 he continued his studies at Alma Mater Rudolfina, the university in Vienna, Austria.

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

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

This continued, until the matter finally came to trial on 23 August 1451, in Nuneaton.

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

* Christopher Columbus ( 1451 – 1506 ) – Italian explorer for Spain.

** Isabella Neville, Duchess of Clarence ( b. 1451 )

Year 1451 ( MCDLI ) was a common year starting on Friday ( link will display the full calendar ) of the Julian calendar.

am: 1451 እ. ኤ. አ.