Thomas Grey, 7th Baron Ferrers of Groby, 1st Earl of Huntingdon, and 1st Marquess of Dorset, KG ( c. 1455 – 20 September 1501 ), was an English nobleman, courtier and the eldest son of Elizabeth Woodville and her first husband John Grey of Groby.

* Eleanor ( b. 1455 ), married Thomas West, 8th Baron De La Warr.

He married Eleanor Berkeley ( died 1 August 1455, who married secondly Walter Hungerford, 1st Baron Hungerford ( d. 1449 )), daughter of Sir John Berkeley ( 1349 – 1428 ), of Beverstone, Gloucestershire by Elizabeth Bettershorne and sister of Elizabeth Berkeley wife successively of Edward Charleton, 5th Baron Cherleton and John Sutton, 1st Baron Dudley.

He was the son of John FitzAlan, 3rd Baron Maltravers ( 1385 – 1421 ) and Eleanor ( d. 1455 ), daughter of Sir John Berkeley of Beverstone, Gloucestershire.

William Sinclair ( 1410 – 1484 ), 1st Earl of Caithness ( 1455 – 1476 ), 3rd Earl of Orkney ( 1455 – 1470 ), Baron of Roslin was a Scottish nobleman and the builder of Rosslyn Chapel, in Midlothian.

* Thomas Clifford, 8th Baron de Clifford ( 1414 – 1455 )

The title was created in 1455 for Sir John Bourchier, youngest son of William Bourchier, 1st Count of Eu, and younger brother of Henry Bourchier, 1st Earl of Essex and William Bourcher, Baron FitzWarine ( from whom the Earls of Bath descended ).

* Ralph de Cromwell, 3rd Baron Cromwell ( 1403 – 1455 ) ( abeyant 1455 )

* Henry Stafford, 8th Baron Stafford ( 1455 – 1483 ) ( forfeit 1483 )

It was William Hastings then who inherited his fathers estates upon his death in 1455, and as soon as Edward attained the throne in 1461, William received the title Baron Hastings and became the holder of many awards and honours.

It was, however, restored to his brother John in 1455 ; and it fell into abeyance on the death, in 1517, of Geoffrey, 11th Baron Scrope of Masham, without male heirs.

* Edward Grey, Baron Ferrers of Groby ( c. 1415 – 1457 ) was summoned to parliament in right of his wife from 14 December 1446 to 26 May 1455.

* Thomas Hoo, Baron Hoo and Hastings ( c. 1396 – 1455 ), Knight of the Garter and English courtier

It was she who called for a Great Council in May 1455 that excluded the Yorkist faction headed by Richard, Duke of York, and thus provided the spark that ignited a civil conflict that lasted for over thirty years, decimated the old nobility of England, and caused the deaths of thousands of men, including her only son Edward of Westminster, Prince of Wales, at the Battle of Tewkesbury in 1471.

In May 1455, just over five months after Henry VI recovered from a bout of mental illness and Richard of York's regency had ended, Margaret called for a Great Council from which the Yorkists were excluded.

* John of Denmark called Hans of Denmark, ( 1455 – 1513 ), King of Denmark, Norway and Sweden

It was in 1455 that Johannes Gutenberg printed his first major work, an edition of the Latin Vulgate, now called the Mazarin Bible.

The altarpiece of the next chapel has a Trinity with Saint Jerome and two saints ( c. 1455 ) by Andrea del Castagno, who also painted the mural of The Vision of St. Julian in the next chapel, called the Feroni chapel.

* the greatest name associated with the city is that of Fra Angelico or Blessed Giovanni Angelico, called da Fiesole ( 1387 – 1455 ).

Pisanello ( c. 1395 – probably 1455 ), known professionally as Antonio di Puccio Pisano or Antonio di Puccio da Cereto, also erroneously called Vittore Pisano by Giorgio Vasari, was one of the most distinguished painters of the early Italian Renaissance and Quattrocento.

Luton Hoo is not mentioned in the Domesday book, but a family called de Hoo occupied a manor house on the site for four centuries, until the death of Lord Thomas Hoo in 1455.

However, from August 1453, the king became catatonic and York was appointed Protector of the Realm ; when the king recovered in 1455, reversing many of York's decisions, war broke out.

His primary task in Rome, apparently, was to draw up plans, likely under the supervision of Alberti, for rebuilding the Vatican and the Basilica of St. Peter's, projects which, due to the death of the pope in 1455, were never carried out.

A sequence of bloody civil wars, later termed the Wars of the Roses, finally broke out in 1455, spurred on by an economic crisis and a widespread perception of poor government.

Alvise Cadamosto set out on March 22, 1455 on a 43-tonne caravel supplied by Prince Henry, with Vicente Dias as ship master He proceeded to Porto Santo and Madeira, and thereafter weaved his way through the Canary islands, making stops in La Gomera, El Hierro and La Palma before reaching the African coast around Cape Blanc.

Antoniotto Usodimare sailed out in early 1455 in a Portuguese caravel, probably supplied by Prince Henry the Navigator, accompanied by another caravel with an unnamed Portuguese squire of the prince.

However, on his death in 1455 the barony fell into abeyance between his nieces Maude and Joan.

Esen himself faced growing criticism for his failure to exploit his victory over the Ming and he was assassinated six years after the battle in 1455.

But James's patronage of lands, titles and office to allies of the Douglases saw their erstwhile allies begin to change sides, most importantly the Earl of Crawford after the Battle of Brechin, and in May 1455 James struck a decisive blow against the Douglases, and they were finally defeated at the Battle of Arkinholm.

Hunyadi arrived at the siege of Nándorfehérvár at the end of 1455, after settling differences with his domestic enemies.

Preparation of it probably began soon after 1450, and the first finished copies were available in 1454 or 1455.

The construction of the future Grand Bazaar's core started during the winter of 1455 / 56, shortly after the Ottoman conquest of Constantinople.

There, however, has been debate concerning the dating of the tomb, with some supporting a date in the late 1440s and others, believing that Bernardo could not have conceived its classical character prior to his stay in Rome, preferring a date after 1455.

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 ).

Bozcaada was conquered by Sultan Mehmet II in 1455, two years after his conquest of Istanbul ending the Byzantine empire.

Arnolt Schlick ( July 18 ?, c. 1455 – 1460 – after 1521 ) was a German organist, lutenist and composer of the Renaissance.

At the end of 1455, after a public reconciliation with all his enemies, Hunyadi began preparations.

Following the fall of the Black Douglases after the Battle of Arkinholm in 1455 and the execution of the earl, his properties, like those of his brothers, was forfeit.

The town was built by Mai Ali Gaji ( 1455 – 1487 ) after the final defeat of the Dawudid branch of the Sefuwa ruling dynasty.

On 15 December 1455 the Earl of Devon and Lord Bonville met decisively at the Battle of Clyst Heath, where Bonville was defeated and after which the earl sacked and pillaged Shute.

However, after his loss at Berat in 1455 at the hands of Isak bey, Skanderbeg was betrayed by some of his most trusted officers, among them Moisi Arianit Golemi.

By 1455 the castle was in the hands of Archibald Douglas, Earl of Moray, The next year, after Douglas's defeat and death at Arkinholm, Lochindorb was again forfeited to the Crown and this time ordered to be slighted, the work of dismantling its defences being entrusted to the Thane of Cawdor.

First mention of him as Lord Oliphant is in July 1455, a month after he reached his majority.

On 21 May 1455 in Córdoba, Spain, she married as his second wife King Henry IV of Castile who had repudiated his first consort, Blanche II of Navarre, after thirteen years of marriage.

In the fall of 1453, after the Ottoman capture of Constantinople, Moldavia received an ultimatum to start paying tribute to the Porte ; two years later, on October 5, 1455, Aron sent the first Moldavian tribute to the Porte: a payment of 2, 000 ducats.

However, after Branković's dealings with the Turks was discovered in 1455 ( leading among other things to Hunyadi's defeat at the battle of Kosovo ), his estates were confiscated and placed under the stewardship of Hunyadi ( who was acting regent at the time ).