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The Battle of Bosworth (or Bosworth Field) was the last significant battle of the Wars of the Roses, the civil war between the Houses of Lancaster and York that raged across England in the latter half of the 15th century. Fought on 22 August 1485, the battle was won by the Lancastrians. Their leader Henry Tudor, Earl of Richmond, by his victory became the first English monarch of the Tudor dynasty. His opponent, Richard III, the last king of the House of York, was killed in the battle. Historians consider Bosworth Field to mark the end of the Plantagenet dynasty, making it a defining moment of English and Welsh history. Richard's reign began in 1483 when he was handed the throne after his twelve-year-old nephew Edward V, for whom he was acting as Lord Protector, was declared illegitimate and ineligible for the throne. Richard lost popularity after the boy and his younger brother disappeared after Richard incarcerated them in the Tower of London, and Richard's support was further eroded by the popular belief he was implicated in the death of his wife. Across the English Channel in Brittany, Henry Tudor, a descendant of the greatly diminished House of Lancaster, seized on Richard's difficulties so that he could challenge Richard's claim to the throne. Henry's first attempt to invade England was frustrated by a storm in 1483, but at his second attempt he arrived unopposed on 7 August 1485 on the southwest coast of Wales. Marching inland, Henry gathered support as he made for London. Richard mustered his troops and intercepted Henry's army south of Market Bosworth in Leicestershire. Thomas, Lord Stanley, and Sir William Stanley brought a force to the battlefield, but held back while they decided which side it would be more advantageous to support. Richard divided his army, which outnumbered Henry's, into three groups (or "battles"). One was assigned to the Duke of Norfolk and another to the Earl of Northumberland. Henry kept most of his force together and placed it under the command of the experienced Earl of Oxford. Richard's vanguard, commanded by Norfolk, attacked but struggled against Oxford's men, and some of Norfolk's troops fled the field. Northumberland took no action when signalled to assist his king, so Richard gambled everything on a charge across the battlefield to kill Henry and end the fight. Seeing the king's knights separated from his army, the Stanleys intervened; Sir William led his men to Henry's aid, surrounding and killing Richard. After the battle, Henry was crowned king below an oak tree in nearby Stoke Golding, now a residential garden. Henry hired chroniclers to portray his reign favourably; the Battle of Bosworth was popularised to represent the Tudor dynasty as the start of a new age. From the 15th to 18th centuries the battle was glamorised as a victory of good over evil. The climax of William Shakespeare's play ''Richard III'' provides a focal point for critics in later film adaptations. The exact site of the battle is disputed because of the lack of conclusive data, and memorials have been erected at different locations. In 1974, the Bosworth Battlefield Heritage Centre was built on a site that has since been challenged by several scholars and historians. In October 2009, a team of researchers, who had performed geological surveys and archaeological digs in the area from 2003, suggested a location two miles (3.2 km) southwest of Ambion Hill. ==Background== During the 15th century, civil war raged across England as the Houses of York and Lancaster fought each other for the English throne. In 1471, the Yorkists defeated their rivals in the battles of Barnet and Tewkesbury. The Lancastrian King Henry VI and his only son, Edward of Lancaster, died in the aftermath of the Battle of Tewkesbury. Their deaths left the House of Lancaster with no direct claimants to the throne. The Yorkist king, Edward IV, was in complete control of England. He attainted those who refused to submit to his rule, such as Jasper Tudor and his nephew Henry, naming them traitors and confiscating their lands. The Tudors tried to flee to France but strong winds forced them to land in Brittany, then a semi-independent duchy, where they were taken into the custody of Duke Francis II. Henry's mother, Lady Margaret Beaufort, was a great-granddaughter of John of Gaunt, uncle of King Richard II and father of King Henry IV. The Beauforts were originally bastards, but Henry IV legitimised them on the condition that their descendants were not eligible to inherit the throne. Henry Tudor, the only remaining Lancastrian noble with a trace of the royal bloodline, had a weak claim to the throne, and Edward regarded him as "a nobody". The Duke of Brittany, however, viewed Henry as a valuable tool to bargain for England's aid in conflicts with France and kept the Tudors under his protection. Edward IV died twelve years after Tewkesbury on 9 April 1483. His twelve-year-old elder son succeeded him as King Edward V; the younger son, nine-year-old Richard of Shrewsbury, was next in line to the throne. Edward V was too young to rule and a Royal Council was established to rule the country until the king's coming of age. The royal court was worried when they learned that the Woodvilles, relatives of Edward IV's widow Elizabeth, were plotting to seize control of the council. Having offended many in their quest for wealth and power, the Woodville family was not popular. To frustrate the Woodvilles' ambitions, Lord Hastings and other members of the council turned to the new king's uncle—Richard, Duke of Gloucester, brother of Edward IV. The courtiers urged Gloucester to assume the role of Protector quickly, as had been previously requested by his now dead brother. On 29 April, Gloucester, accompanied by a contingent of guards and Henry Stafford, 2nd Duke of Buckingham, took Edward V into custody and arrested several prominent members of the Woodville family. After bringing the young king to London, Gloucester had two of the Woodvilles (Anthony Woodville, 2nd Earl Rivers and Richard Grey) executed, without trial, on charges of treason. On 13 June, Gloucester accused Hastings of plotting with the Woodvilles and had him beheaded. Nine days later, Gloucester convinced Parliament to declare the marriage between Edward IV and Elizabeth illegal, rendering their children illegitimate and disqualifying them from the throne. With his brother's children out of the way, he was next in the line of succession and was proclaimed King Richard III on 26 June. The timing and extrajudicial nature of the deeds done to obtain the throne for Richard won him no popularity, and rumours that spoke ill of the new king spread throughout England. After they were declared bastards, the two princes were confined in the Tower of London and never seen in public again. Discontent with Richard's actions manifested itself in the summer after he took control of the country, as a conspiracy emerged to displace him from the throne. The rebels were mostly loyalists to Edward IV, who saw Richard as a usurper. Their plans were co-ordinated by a Lancastrian, Henry's mother Lady Margaret, who was promoting her son as a candidate for the throne. The highest-ranking conspirator was Buckingham. No chronicles tell of the duke's motive in joining the plot, although historian Charles Ross proposes that Buckingham was trying to distance himself from a king who was becoming increasingly unpopular with the people. Michael Jones and Malcolm Underwood suggest that Margaret deceived Buckingham into thinking the rebels supported him to be king. The plan was to stage uprisings within a short time in southern and western England, overwhelming Richard's forces. Buckingham would support the rebels by invading from Wales, while Henry came in by sea. Bad timing and weather wrecked the plot. An uprising in Kent started 10 days prematurely, alerting Richard to muster the royal army and take steps to put down the insurrections. Richard's spies informed him of Buckingham's activities, and the king's men captured and destroyed the bridges across the River Severn. When Buckingham and his army reached the river, they found it swollen and impossible to cross because of a violent storm that broke on 15 October. Buckingham was trapped and had no safe place to retreat; his Welsh enemies seized his home castle after he had set forth with his army. The duke abandoned his plans and fled to Wem, where he was betrayed by his servant and arrested by Richard's men. On 2 November 1483, he was executed. Henry had attempted a landing on 10 October (or 19 October), but his fleet was scattered by a storm. He reached the coast of England (at either Plymouth or Poole), and a group of soldiers hailed him to come ashore. They were, in truth, Richard's men, prepared to capture Henry once he set foot on English soil. Henry was not deceived and returned to Brittany, abandoning the invasion. Without Buckingham or Henry, the rebellion was easily crushed by Richard. The survivors of the failed uprisings fled to Brittany, where they openly supported Henry's claim to the throne. At Christmas, Henry Tudor swore an oath to marry Edward IV's daughter, Elizabeth of York, to unite the warring houses of York and Lancaster. Henry's rising prominence made him a great threat to Richard, and the Yorkist king made several overtures to the Duke of Brittany to surrender the young Lancastrian. Francis refused, holding out for the possibility of better terms from Richard. In mid-1484, Francis was incapacitated by illness and while recuperating, his treasurer, Pierre Landais, took over the reins of government. Landais reached an agreement with Richard to send back Henry and his uncle in exchange for military and financial aid. John Morton, a bishop of Flanders, learned of the scheme and warned the Tudors, who fled to France. The French court allowed them to stay; the Tudors were useful pawns to ensure that Richard's England did not interfere with French plans to annexe Brittany. On 16 March 1485, Richard's queen, Anne Neville, died, and rumours spread across the country that she was murdered to pave the way for Richard to marry his niece, Elizabeth. The gossip alienated Richard from some of his northern supporters, and upset Henry across the English Channel. The loss of Elizabeth's hand in marriage could unravel the alliance between Henry's supporters who were Lancastrians and those who were loyalists to Edward IV. Anxious to secure his bride, Henry assembled approximately 2,000 men and set sail from France on 1 August. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of Bosworth Field」の詳細全文を読む スポンサード リンク
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