27 Sep is in September.
On 27 Sep 1162 Odo II Duke Burgundy (age 44) died. His son Hugh III Duke Burgundy (age 20) succeeded III Duke Burgundy.
On 27 Sep 1249 Raymond Rouerge VII Count Toulose (age 52) died.
On 27 Sep 1275 John "Peaceful" Reginar II Duke Brabant was born to John Reginar I Duke Brabant (age 22) and Margaret Dampierre Duchess Brabant (age 22).
On 27 Sep 1404 Bishop William of Wykeham (age 84) died at Bishop's Waltham [Map]. He was buried in a chantry chapel on the south side of Winchester Cathedral [Map].
On 27 Sep 1442 John de la Pole 2nd Duke of Suffolk was born to William "Jackanapes" de la Pole 1st Duke of Suffolk (age 45) and Alice Chaucer Duchess Suffolk (age 38).
On 27 Sep 1447 Reginald Grey 7th Baron Grey of Wilton (age 26) and Tacine Beaufort Baroness Grey Wilton (age 4) were married. She by marriage Baroness Grey of Wilton. The difference in their ages was 22 years. She the daughter of John Beaufort 1st Duke Somerset. They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great x 2 granddaughter of King Edward III of England. 
On 27 Sep 1510 Edward Redman Lord Harewood (age 55) died. All Saints Church Harewood [Map]. Monument to Edward Redman Lord Harewood (age 55) and Elizabeth Huddlestone Baroness Harewood (age 60). Fluted Period. Esses and Roses Collar. Dogs Head Crest. She wearing a simple headdress with veil falling low on the shoulders. The carving somewhat reminiscent of Alice Chaucer's. Monument in Ewelme [Map], Oxfordshire. Angels Supporting Pillow. Chest with Angels with Rounded Wings holding Shields. Chest with Weepers.
Elizabeth Huddlestone Baroness Harewood: Edward Redman Lord Harewood and she were married. In 1450 she was born to John Huddlestone 7th Lord Millom (age 25) and Mary Fenwick Lady Millom. Around 1483 William Redman Lord Harewood died. He was buried at Levens Heversham. His brother Edward Redman Lord Harewood (age 28) succeeded Lord Harewood. Elizabeth Huddlestone Baroness Harewood (age 33) by marriage Lord Harewood. On 31 May 1526 Elizabeth Huddlestone Baroness Harewood (age 76) died.
Letters and Papers 1517. 27 Sep 1517. R.O. 3700. MARGARET OF SAVOY to HENRY VIII.
In behalf of Jacques Pauye, nephew of the late Mich. Pauye, confessor of the King Catholic, who in his uncle's lifetime had been provided by exchange with a prebend in Tournay, and would have gone personally to Wolsey to receive collation but for the prevailing sickness. Brussels, 27 Sept. 1517. Signed.
Fr., p. 1. Add.
Letters and Papers 1528. 27 Sep 1528. R. O. 4782. SIR EDWARD GULDEFORD to WOLSEY.
Has sent to Calais four passengers (ships) for transporting cardinal Campeggio. Among the others "the Peter Baily, for his own person, which is the ship that your Grace hath passed in divers times, and hath a bed in her, and the cabin, appareled after the best fashion." Wishes to know whether the charge is to be at the King or Wolsey's cost. The Legate cannot stay more than one night at Dovor, as it is infected with the sickness, and as the priory is in that quarter of the town, has appointed the bailiff's house for the reception of the Legate. The town is prepared. Dovor, Sunday, 27 Sept. Signed.
P. 1. Add. Endd.
On 27 Sep 1584 or 15 Oct 1584 Bishop Thomas Watson (age 69) died at Wisbech Castle [Map] having been confined for the previous twenty-five years.
On 27 Sep 1651 Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria (age 78) died.
Pepy's Diary. 27 Sep 1665. Here I saw this week's Bill of Mortality, wherein, blessed be God! there is above 1800 decrease, being the first considerable decrease we have had.
On 27 Sep 1689 Edward Stanley 11th Earl of Derby was born to Thomas Horton Stanley 4th Baronet (age 19) and Elizabeth Patten (age 19).
On 27 Sep 1693 John Lovelace 3rd Baron Lovelace (age 52) died. His half first cousin once removed John Lovelace 4th Baron Lovelace (age 21) succeeded 4th Baron Lovelace.
On 27 Sep 1712 Rowland Dormer 4th Baron Dormer (age 61) died. His second cousin Charles Dormer 5th Baron Dormer (age 44) succeeded 5th Baron Dormer of Wyng in Buckinghamshire, 5th Baronet Dormer of Wyng in Buckinghamshire.
On 27 Sep 1732 William Clavering-Cowper 2nd Earl Cowper (age 23) and Henrietta Nassau 2nd Countess Cowper (age 19) were married. She by marriage Countess Cowper. She the daughter of Henry Nassau 1st Earl Grantham (age 59) and Henrietta Butler Countess Grantham. He the son of William Cowper 1st Earl Cowper and Mary Clavering Countess Cowper.
On 27 Sep 1737 John Sidney 6th Earl of Leicester (age 57) died at Penshurst Place [Map]. He was buried at St John the Baptist Church Penshurst. His brother Jocelyn Sidney 7th Earl of Leicester (age 55) succeeded 7th Earl of Leicester 4C 1618, 7th Viscount Lisle 6C 1605.
On 27 Sep 1742 John Crewe 1st Baron Crewe was born to John Crewe (age 33).
On 27 Sep 1759 Isaac Maddox Bishop (age 62) died. He is buried in the South Transept of Worcester Cathedral [Map].
On 27 Sep 1764 John Trevor 3rd Baron Trevor (age 69) died. His brother Robert Hampden-Trevor 1st Viscount Hampden (age 58) succeeded 4th Baron Trevor Bromham.
On 27 Sep 1764 George Coventry 6th Earl Coventry (age 42) and Barbara St John Countess Coventry were married. She by marriage Countess Coventry. He the son of William Coventry 5th Earl Coventry.
On 08 Jul 1810 the Bow Street police raided the White Swan on Vere Street in London that had been established as a molly-house in early 1810 by two men, James Cook and Yardley. Twenty-seven men were arrested, but the majority of them were released (perhaps as a result of bribe); eight were tried and convicted. On 27 Sep 1810 six men were pilloried at the Haymarket. On 07 Mar 1811 John Hepburn (46) and Thomas White (16), a drummer boy, were hanged at Newgate Prison, London [Map] despite not being present on the night of the raid.
On 27 Sep 1834 John Percival Bishop was born in Brough Sowerby Kirkby Stephen.
On 27 Sep 1836 Alexander Murray 6th Earl Dunmore (age 32) and Catherine Herbert Countess Dunmore (age 21) were married at Frankfurt. She by marriage Countess Dunmore. She the daughter of George Augustus Herbert 11th Earl Pembroke 8th Earl Montgomery and Yekaterina Semyonovna Vorontsova Countess Pembroke and Montgomery (age 51). He the son of George Murray 5th Earl Dunmore (age 74) and Susan Hamilton Countess Dunmore (age 62).
On 27 Sep 1845 Sydney Stanhope 6th Earl Harrington was born to Leicester FitzGerald Charles Stanhope 5th Earl of Harrington (age 61) and Elizabeth Green Countess Harrington (age 36).
On 27 Sep 1850 Chandos Leigh 1st Baron Leigh (age 59) died. His son William Henry Leigh 2nd Baron Leigh (age 26) succeeded 2nd Baron Leigh of Stoneleigh in Warwickshire 2C 1839. Caroline Amelia Grosvenor Baroness Leigh (age 22) by marriage Baroness Leigh of Stoneleigh in Warwickshire.
Monument in Church of the Virgin Mary Stoneleigh [Map]. An elaborate Recess in late C19 Gothic style constructed in 1850 for alabaster Table Tomb; unclear as to why the effigy was not installed.
Chandos Leigh 1st Baron Leigh: On 27 Jun 1791 he was born to James Henry Leigh of Adlestrop (age 26) and Julia Judith Twisleton. Coefficient of inbreeding 1.76%. In 1839 Chandos Leigh 1st Baron Leigh (age 47) was created 1st Baron Leigh of Stoneleigh in Warwickshire 2C 1839.
William Henry Leigh 2nd Baron Leigh: On 17 Jan 1824 he was born to Chandos Leigh 1st Baron Leigh (age 32). On 22 Aug 1848 William Henry Leigh 2nd Baron Leigh (age 24) and Caroline Amelia Grosvenor Baroness Leigh (age 20) were married. She the daughter of Richard Grosvenor 2nd Marquess Westminster (age 53) and Elizabeth Mary Leveson-Gower Marchioness Westminster (age 51). On 21 Oct 1905 William Henry Leigh 2nd Baron Leigh (age 81) died. On 21 Oct 1905 His son Francis Dudley Leigh 3rd Baron Leigh (age 50) succeeded 3rd Baron Leigh of Stoneleigh in Warwickshire 2C 1839.
Caroline Amelia Grosvenor Baroness Leigh: On 14 Jun 1828 she was born to Richard Grosvenor 2nd Marquess Westminster (age 33) and Elizabeth Mary Leveson-Gower Marchioness Westminster (age 31). On 24 Mar 1906 Caroline Amelia Grosvenor Baroness Leigh (age 77) died.
On 27 Sep 1852 Fitzalan Charles John Foley 6th Baron Foley was born to Thomas Henry Foley 4th Baron Foley (age 43) and Mary Charlotte Fitzalan Baroness Foley (age 30).NOTEXT
On 27 Sep 1877 Eric Chaplin 2nd Viscount Chaplin was born to Henry Chaplin 1st Viscount Chaplin (age 36) and Florence Sutherland Leveson-Gower (age 22).
On 27 Sep 1900 Granville Leveson-Gower 3rd Earl Granville (age 28) and Nina Ayesha Baring (age 24) were married. He the son of Granville Leveson-Gower 2nd Earl Granville and Sophia Castila Rosamund Campbell Countess Granville (age 53).
On 27 Sep 1903 Charles Gordon-Lennox 6th Duke Richmond (age 85) died. His son Charles Gordon-Lennox 7th Duke Richmond (age 57) succeeded 7th Duke Richmond 3C 1675, 2nd Duke Gordon 2C 1876, 7th Earl March 4C 1675, 7th Baron Settrington. Isabel Sophie Craven Duchess Richmond by marriage Duchess Richmond, Duchess Gordon.
On 27 Sep 1910 Percy Hamilton Seymour 18th Duke Somerset was born to Evelyn Francis Edward Seymour 17th Duke Somerset (age 28) and Edith Mary Parker Duchess Somerset (age 29).
On 27 Sep 1912 Francis Henry Coventry 12th Earl Coventry was born to Charles John Coventry (age 45).
On 27 Sep 1922 Constantine I King Greece (age 54) abdicated King Greece. Alexander I King Greece succeeded I King Greece. George II King Hellenes (age 32) succeeded II King Hellenes. Elisabeth Hohenzollern Sigmaringen Queen Consort Greece Queen Consort Hellenes (age 27) by marriage Queen Consort Hellenes.
On 27 Sep 1931 Robert Walpole 5th Earl Orford (age 77) died. Earl Orford 3C 1806 extinct. Monument in Church of St Andrew Wickmere [Map] sculpted by Esmond Burton (age 45). The stone brought from St Paul's Island in the Pacific where HMS Magaera, in which the Earl of Orford served as a midshipman, was wrecked in 1871. Armorials include 
Walpole Arms impaled 
Barkham Arms. Motto fari quae sentiat. Saracen's Head Crest.
On 27 Sep 1950 George Henry Bowyer 9th and 5th Baronet (age 80) died. Baronet Bowyer of Radley extinct. His third cousin twice removed Bertram Stanley Mitford Bowyer 2nd Baron Denham (age 22) succeeded 10th Baronet Bowyer of Denham Court.