Earl Lancaster is in Earldoms of England Alphabetically.
In 1267 Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster was created 1st Earl Lancaster.
On 8th April 1269 Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster and Aveline Forz 6th Countess Albemarle and Lancaster were married. She by marriage Countess Lancaster. She the daughter of William Forz 4th Earl Albemarle and Isabella Redvers 8th Countess Devon and Albemarle. He the son of King Henry III of England and Eleanor of Provence Queen Consort England.
On 3rd February 1276 Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster and Blanche Capet Queen Navarre were married. She by marriage Countess Lancaster. She the daughter of Robert Capet Count of Artois and Matilda Reginar Countess Saint Pol. He the son of King Henry III of England and Eleanor of Provence Queen Consort England.
On 5th June 1296 Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster died at Bayonne. He was buried at Westminster Abbey. Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln succeeded 2nd Earl of Leicester, 2nd Earl Lancaster. Alice Lacy Countess Leicester, and Lancaster 5th Countess of Salisbury 5th Countess Lincoln by marriage Countess of Leicester, Countess Lancaster.
On 22nd March 1322 Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln was beheaded at Pontefract Castle following his capture six days before at the Battle of Boroughbridge. He was buried at Pontefract Priory. Earl of Leicester, Earl Lancaster forfeit.
After 27th January 1327 Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster was restored 3rd Earl Lancaster.
On 22nd September 1345 Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster died at Leicester Castle. Henry of Grosmont 1st Duke Lancaster succeeded 4th Earl of Leicester, 4th Earl Lancaster.
On 23rd March 1361 Henry of Grosmont 1st Duke Lancaster died at Leicester Castle. He was buried at Church of the Annunciation of our Lady of the Newark. Duke Lancaster, Earl Lincoln extinct.
Blanche Duchess of Lancaster succeeded 5th Countess Lancaster and 2nd Countess Derby. John of Gaunt 1st Duke Lancaster by marriage Earl Lancaster, Earl Derby.
Maud Plantagenet Duchess Lower Bavaria succeeded 5th Countess of Leicester.
On 12th September 1368 Blanche Duchess of Lancaster died at Tutbury Castle, Staffordshire. Her last words were said to be "Souveyne vous de moi" ("Don't forget me") the 'S' of which was possibly subsequently represented on the Lancastrian Esses Collar. She was buried at St Paul's Cathedral. Henry of Grosmont succeeded 3rd Earl Derby, 6th Earl Lancaster.
On 30th September 1399 King Henry IV of England became King of England usurping the throne of his cousin Richard II and Richard's heir, the seven year old Edmund Mortimer 5th Earl of March who was descended from Edward III's second son Lionel of Antwerp Duke of Clarence. This second usurption was to have far reaching consequences since it subsequently became the descent by which the House of York claimed precedence over the House of Lancaster being one of the causes of the Wars of the Roses. Duke Lancaster, Duke of Hereford, Earl Derby, Earl Lancaster and Earl of Leicester merged with the Crown.
Ralph Neville 1st Earl of Westmoreland was appointed Earl Marshal.