20 Dec is in December.
On 20 Dec 910 Alfonso "Great" III King Asturias (age 62) died. His son García I King Leon (age 39) succeeded I King Leon. His son Fruela II King Asturias II King Leon King Galicia (age 35) succeeded II King Asturias. His son Ordoño II King Galicia II King Leon (age 37) succeeded II King Galicia.
On 20 Dec 1292 King Edward I (age 53) stayed at Horton Castle [Map] for one night when returning from adjudicating the claim to the Scottish throne. The landholder, Sir Guiscard de Charron, had used the occasion of Edwards's visit to ask for the necessary permission to fortify his manor house, that Edward was currently a guest in. The license to crenelate was granted one week later in Newcastle.
On 20 Dec 1532 John Günther Schwarzburg 1st Count of Schwarzburg Sondershausen was born.
On 20 Dec 1549 John Petre 1st Baron Petre was born to William Petre (age 44).
Henry Machyn's Diary. 20 Dec 1556. [The xx day of December the Queen (age 40) rode in her chariot through the park from] Santt James unto the galere, and so [took] her barge unto Westmynster, and landyd [at the palace,] and so in-to the abbay, and ther her grace hard [even song], and my lord cardenalle (age 56) and my lord Montyguw (age 28), [and my] lord Darse of Essex (age 59) dyd bere the sword a-for [her grace], and my lade Montyguw (age 18) bare up the quen ['s train].
On 20 Dec 1558 Bishop John Holyman (age 63) died.
Henry Machyn's Diary. 20 Dec 1559. The xx day of Desember a-for non, was sant Thomas evyn, my lord of Canturbere (age 55) whent to Bow chyrche and ther wher v nuw byshopes mad.1559 Consecration of new Bishops
Note. P. 220. New bishops made. A tabular list of the new bishops will be found in Strype, Annals, i. 157.
On 20 Dec 1572 Edward Russell 3rd Earl Bedford was born to Francis Russell (age 18) and Juliana or Eleanor Unknown.
On 20 Dec 1576 John Carey 3rd Baron Hunsdon (age 26) and Mary Hyde Baroness Hunsdon (age 22) were married.
On 20 Dec 1583 Edward Arden (age 50) was hanged, drawn and quartered at Smithfield [Map] for having plotted against Queen Elizabeth I of England and Ireland (age 50) with his son-in-law John Somerville (deceased) who had implicated him during torture. He was tried by Christopher Wray Chief Justice (age 59).
After 20 Dec 1583 the heads of John Somerville (deceased) and Edward Arden (deceased) were set on London Bridge [Map] next to the head of the Gerald Fitzgerald 14th Earl Desmond (deceased).
On 20 Dec 1605 Edward Noel 2nd Viscount Campden (age 23) and Juliana Hicks Viscountess Campden (age 19) were married.
On 20 Dec 1642 Edward Montagu 2nd Earl Manchester (age 40) and Essex Cheeke Countess Manchester were married. She by marriage Countess Manchester. He the son of Henry Montagu 1st Earl Manchester (deceased) and Catherine Spencer.
On 20 Dec 1644 Albert IV Wettin IV Duke Saxe Weimar (age 45) died at Eisenach. His brother Ernest "The Pious" Saxe Gotha I Duke Saxe Gotha (age 42) succeeded I Duke Saxe Gotha.
On 20 Dec 1652 BIshop Samuel Bradford was born.
Pepy's Diary. 20 Dec 1665. So I away home, and was there sat up for to be spoken with my young Mrs. Daniel, to pray me to speake for her husband to be a Lieutenant. I had the opportunity here of kissing her again and again, and did answer that I would be very willing to do him any kindnesse, and so parted, and I to bed, exceedingly pleased in all my matters of money this month or two, it having pleased God to bless me with several opportunities of good sums, and that I have them in effect all very well paid, or in my power to have. But two things trouble me; one, the sicknesse is increased above 80 this weeke (though in my owne parish not one has died, though six the last weeke); the other, most of all, which is, that I have so complexed an account for these last two months for variety of layings out upon Tangier, occasions and variety of gettings that I have not made even with myself now these 3 or 4 months, which do trouble me mightily, finding that I shall hardly ever come to understand them thoroughly again, as I used to do my accounts when I was at home.
On or before 20 Dec 1683 Edward Ward 8th Baron Dudley 3rd Baron Ward was born to William Ward (age 24). He was baptised 20 Dec 1683.
On 20 Dec 1720. [Note. Wikipedia says 09 Mar 1720]. Philip Yorke 2nd Earl of Hardwicke was born to Philip Yorke 1st Earl of Hardwicke (age 30) and Margaret Cocks Countess Hardwicke.
On 20 Dec 1755 John Spencer 1st Earl Spencer (age 21) and Margaret Georgiana Poyntz Countess Spencer (age 18) were married at Althorp House [Map].
On 20 Dec 1790 Elizabeth Gunning Duchess Hamilton and Argyll (age 57) died in Argyll House 211 King's Road King's Road. Her son Douglas Hamilton 8th Duke Hamilton 5th Duke Brandon (age 34) succeeded 2nd Baron Hamilton of Hamilton in Leicestershire. Elizabeth Anne Burrell Duchess Hamilton Duchess Brandon (age 33) by marriage Baroness Hamilton of Hamilton in Leicestershire.
On 20 Dec 1800 Charles Wood 1st Viscount Halifax was born to Francis Lindley Wood 2nd Baronet (age 29).
On 20 Dec 1802 Ulick Burgh 1st Marquess Clanricarde was born to John Thomas Burgh 13th Earl Clanricarde (age 58) at Belmont.
On 20 Dec 1804 Edward Adolphus Seymour 12th Duke Somerset was born to Edward Seymour 11th Duke Somerset (age 29) and Charlotte Hamilton Duchess Somerset (age 32).
On 20 Dec 1812 George Carpenter 3rd Earl Tyrconnel (age 24) was killed.
On 20 Dec 1817 William Bernard Petre 12th Baron Petre was born to William Henry Francis Petre 11th Baron Petre (age 24) and Frances Charlotte Bedingfield (age 21).
After 20 Dec 1820. St Swithun's Church, Leadenham [Map]. Monument to William Reeve of Leadenham (deceased) and Millicent Mary King (age 65).
William Reeve of Leadenham: Around 1751 he was born to William Reeve of Melton Mowbray. Before 28 Jul 1783 William Reeve of Leadenham (age 32) and Millicent Mary King (age 28) were married. On 20 Dec 1820 William Reeve of Leadenham (age 69) died.
Millicent Mary King: Around 1755 she was born to John King of Ashby in Lincolnshire and Millicent Mary Unknown.. On 23 May 1836 Millicent Mary King (age 81) died.
On 20 Dec 1849 Brownlow Henry George Cecil 4th Marquess Exeter was born to William Alleyne Cecil 3rd Marquess Exeter (age 24).
On 20 Dec 1859 Edgar Clifford Arundell 14th Baron Arundel was born to Theodore Arundell and Louise Hussey.
On 20 Dec 1877 Henry Willoughby 8th Baron Middleton (age 60) died at Birdsall House, Ryedale. His son Digby Wentworth Bayard Willoughby 9th Baron Middleton (age 33) succeeded 9th Baron Middleton, 10th Baronet Willoughby of Wollaton.
On 20 Dec 1891 Rupert Carrington 5th Baron Carrington was born to Rupert Carrington 4th Baron Carrington (age 39).
On 20 Dec 1896 Gerald Ralph Desmond Browne 7th Earl of Kenmare was born to Valentine Charles Browne 5th Earl of Kenmare (age 36) and Elizabeth Baring Countess Kenmare (age 29).
On 20 Dec 1901 Balthazar Stephen Sargant Foster 2nd Baron Ilkeston (age 34) and Mildred Charlotte Cobb were married.
On 20 Dec 1903 Charles Walter James Dormer 15th Baron Dormer was born to Charles Joseph Thaddeus Dormer 14th Baron Dormer (age 39) and Caroline May Clifford Baroness Dormer.
On 20 Dec 1922 Dudley Ryder 7th Earl of Harrowby was born to Dudley Ryder 6th Earl of Harrowby (age 30).
On 20 Dec 1947 George Rous 3rd Earl of Stradbroke (age 85) died. His son John Rous 4th Earl of Stradbroke (age 44) succeeded 4th Earl Stradbrooke, 4th Viscount Dunwich, 9th Baronet Stradbrooke of Henham in Suffolk.