* John Lydgate ( c 1370 – c 1451 )

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

* 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.

He was succeeded by his son Mehmed II ( 1451 – 81 ).

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

*** son Ludovico il Moro ( the Moor ) ( 1451 – 1508 )

* 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 ).

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

* May 20 – Christopher Columbus, Italian explorer ( b. 1451 )

* December 10 – René II, Duke of Lorraine ( b. 1451 )

* November 26 – Queen Isabella I of Castile ( b. 1451 )

# Elisabeth, ( 29 October 1451, Ansbach – 28 March 1524, Nürtingen ), married Eberhard II, Duke of Württemberg.

* June 11 – King James III of Scotland ( b. c. 1451 )

* September 4 – Amadeus VIII, Duke of Savoy ( d. 1451 )

* June – Murad II, Ottoman Sultan ( d. 1451 )

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.

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.

Bartolomeu Dias (; Anglicized: Bartholomew Diaz ; c. 1451 – 29 May 1500 ), a nobleman of the Portuguese royal household, was a Portuguese explorer.

The campanile, in the Renaissance style, dates from 1451 – 1493, but the last storey was added at the end of the 16th century.

Murat ) was the Sultan of the Ottoman Empire from 1421 to 1451 ( except for a period from 1444 to 1446 when his son Mehmed II reigned ).

Sultan Murad died in 1451, succeeded by his 19 year old son Mehmed II.

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.

Muğla was brought back under Ottoman control by Sultan Mehmed II the Conqueror, in 1451.

It was built by the Ottoman Sultan Mehmed II between 1451 and 1452, before he conquered Constantinople.

Rumelihisarı was built by Sultan Mehmed II between 1451 and 1452 in order to control the sea traffic on the Bosphorus strait and prevent aid from the Black Sea to reach Constantinople during the Turkish siege of the city in 1453, particularly from the Genoese colonies such as Caffa, Sinop and Amasra.

In a previous Ottoman attempt to conquer the city, Sultan Murad II ( 1404 – 1451 ) had encountered difficulties due to a blockade of the Bosphorus by the Byzantine fleet.

In preparation for the conquest of Constantinople, Sultan Mehmed II ( 1432 – 1481 ), son of Murad II, started to realize the construction of the fortress immediately following his second ascent to the throne in 1451.

The foundation era covers the years between 1300 ( Byzantine expedition ) and 1453 ( Fall of Constantinople ), the classical period covers the years between 1451 ( enthronement of Sultan Mehmed II ) and 1606 ( Peace of Zsitvatorok ), the reformation period covers the years between 1606 and 1826 ( Vaka-i Hayriye ), the modernisation period covers the years between 1826 and 1858 and decline period covers the years between 1861 ( enthronement of Sultan Abdülaziz ) and 1918 ( Armistice of Mudros ).

* Murad II, Sultan of the Ottoman Empire from 1421 to 1451

In 1451 CE, the temple was once again destroyed by Mahmud Begda, the Sultan of Gujarat.

: The order of our master Sultan Jaqmaq which stipulates that the taxes levied recently by the town governor regarding the payment by the Armenian enclosure be cancelled and it has been requested that this cancellation be recorded in the Honored Books in the year 854 of the Hijra ( 1451 ).

Bahlul Khan Lodi ( r. 1451 – 89 ) was the nephew and son-in-law of Islam Khan ( Malik Sultan Shah Lodi ), the governor of Sirhind in ( Punjab ), India and succeeded him as the governor of Sirhind during the reign of Sayyid dynasty ruler Muhammad Shah ( Muhammad-bin-Farid ).

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.

When the Ottoman Sultan Mehmed II ( r. 1444 – 1446 and 1451 – 1481 ) took the Morea in 1460, Kladas handed over his castle of Agios Giorgios and was given in exchange the castle of Vardounia in Upper Mani and the territory of Elos.

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.

Mehmed II again came to the Ottoman throne following Murad's death in 1451.

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.

Gallipoli is the site of " tombs of the Thracian kings ", which refers to the graves of the Islamic writers Ahmed Bican ( died 1466 ) and his brother Mehmed Bican ( died 1451 ).

* 1451: Murad II dies and is succeeded by his son, Mehmed II.

Young Mehmed II had after his return and accession ( February 18, 1451 ) confirmed Halil Pasha as his first Vizier ( even though he seems to have disliked him ), and raised Zaganos Pasha from third to second Vizier.