09 Mar is in March.
On 09 Mar 1062 Herbert Maine II Count Maine died.
On 09 Mar 1213 Hugh IV Duke Burgundy was born to Odo III Duke Burgundy (age 47) and Alice Vergy Duchess Burgundy.
Before 09 Mar 1301 seven Earls and 96 Barons signed a letter to the Pope refuting the Pope's claim that Scotland was subject to the Pope's feudal overlordship. The letter was never sent. Those who signed include: John Warenne 6th Earl Surrey (age 70), Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln (age 23), Ralph Monthermer 1st Baron Monthermer (age 31), Humphrey Bohun 4th Earl Hereford 3rd Earl Essex (age 25), Roger Bigod 5th Earl Norfolk (age 56), Richard Fitzalan 8th Earl Arundel (age 34), Guy Beauchamp 10th Earl Warwick (age 29), Aymer de Valence 2nd Earl Pembroke (age 26), William Leybourne 1st Baron Leybourne (age 59), Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 20), William Latimer 1st Baron Latimer of Corby (age 58), Edmund Hastings, John Hastings 2nd Baron Hastings 14th Baron Bergavenny (age 14), Edmund Mortimer 2nd Baron Mortimer of Wigmore (age 50), Fulk Fitzwarin 2nd Baron Fitzwarin (age 16), Henry Percy 9th and 1st Baron Percy (age 27), Robert Fitzwalter 1st Baron Fitzwalter (age 54), John Beauchamp 1st Baron Beauchamp Somerset (age 26), William Braose 2nd Baron Braose (age 41), John Botetort 1st Baron Botetort (age 36), Reginald Grey 1st Baron Grey of Wilton (age 61), John Moels 1st Baron Moels (age 32), Thomas Berkeley 6th and 1st Baron Berkeley (age 55), Robert de Vere 5th Earl of Oxford, John Strange 1st Baron Strange Knockin (age 48), Thomas Multon 1st Baron Multon (age 25), Robert Clifford 1st Baron Clifford (age 26), Walter Beauchamp (age 58), Alan Zouche 1st Baron Zouche Ashby (age 33), John Segrave 2nd Baron Segrave (age 45), William Ferrers 1st Baron Ferrers of Groby (age 29), Simon Montagu 1st Baron Montagu (age 51), Piers Mauley, Ralph Neville 1st Baron Neville of Raby (age 38), John Mohun 1st Baron Dunster (age 32), Roger Scales 1st Baron Scales, Thomas Furnival 1st Baron Furnivall (age 41), Hugh Bardolf 1st Baron Bardolf (age 41), Gilbert Talbot 1st Baron Talbot (age 24), William Deincourt 1st Baron Deincourt, Edmund Stafford 1st Baron Stafford (age 28), Walter Fauconberg 1st Baron Fauconberg (age 81). 
On 09 Mar 1302 Richard Fitzalan 8th Earl Arundel (age 35) died. He was buried at Haughmond Abbey [Map]. His son Edmund Fitzalan 9th Earl Arundel (age 16) succeeded 9th Earl Arundel Sussex.
On 09 Mar 1492 John Brydges 1st Baron Chandos was born to Giles Brugge 6th Baron Chandos (age 30) and Isabel Baynham Baroness Chandos (age 17) at Coberley, Gloucestershire.
On 09 Mar 1512 John Brooke 7th Baron Cobham (age 64) died at Cowling. He was buried at Church of St Mary Magdalene, Cobham. His son Thomas Brooke 8th Baron Cobham (age 42) succeeded 8th Baron Cobham 1C 1313.
Wriothesley's Chronicle. 09 Mar 1525. This yeare, the 9th day of Marche,c tidinges were brought to the Kinge (age 33) that Francis (age 30), the French King, was taken prisoner before the cittie Pavie, in Italie, by the Duke of Burbon (age 35), capteyn of the Emperoures (age 25) hoste,d and 14,000 French men slayne at the same feild.
And the Archbishop of Yorke (age 52), cardinall and legatt de latere, songe masse the same tyme in Paules churche [Map], in his "pontificalibus,"e and 11 bishopps and abbotts, with their miters, beinge present, the Duke of Northfolke (age 52) and the Duke of Suffolke (age 41), with all the nobles of the realme. And the saide Cardinall (age 52) grawnted the same to all manner of persons, beinge within the precinct of the churche in the tyme of the masse, plenary remission of their synnes, à pœná et culpá; and, after masse, Te Deum was sunge for the sayde victorie,a the Major,b Aldermen, with the head craftes of the cittie standinge in the bodie of the churche in theyr liveries; and that night great fiers were made in divers places of the cittie, with vessells of wyne at everie fier for the people to drincke.NOTEXT
Note c. Francis I was made prisoner on the 24th February.
Note d. Charles Duke of Bourbon (age 35), Constable of France, being persecuted by Francis I for refusing to marry Louisa of Savoy (age 48), the French King's (age 30) mother, sought the protection of the Emperor Charles V (age 25) by whom he was appointed his lieutenant in Italy.
Note e. After Wolsey (age 52) had been invested by Pope Leo X with the sole legatine power in England, he was wont to say mass on state occasions after the manner of the Pope himself.
Note a. The victory gained by the Imperialists over the French before Pavia so changed the aspect of affairs on the continent that Henry at first entertained a project forinvading France, and asserting his claim to that crown.
Note b. Sir John Allen.
Before 09 Mar 1535 Edward Seymour 1st Duke Somerset (age 35) and Anne Stanhope Duchess Somerset (age 38) were married. She a great x 4 granddaughter of King Edward III of England. 
On 09 Mar 1566 at eight o'clock in the evening David Rizzio (age 33) was murdered in the presence of the six months Mary Queen of Scots (age 23) and her half-sister Jean Stewart Countess Argyll 15333 (age 33) at Holyrood Palace [Map] by rebels led by Patrick Ruthven 3rd Lord Ruthven. Rizzio was dragged through the bed chamber into the adjacent Audience Chamber and stabbed an alleged 57 times. Mary's husband Henry "Lord Darnley" Stewart (age 20) was suspected of being one of the murderers.
On 15 Mar 1566 Mary Queen of Scots (age 23) writes to Queen Elizabeth I of England and Ireland (age 32):
As first hes takin our houss slane our maist [most] speciall servand (age 33) in our awin [own] presence & thaireftir haldin our propper personis captive tressonneblie, quhairby [whereby] we war constrainit to escaipe straitlie about midnyght out of our palice of halliruidhouss [Map] to the place quhair [where] we ar for the present, in the grittest danger feir of our lywis & ewill [ill] estate that evir princes on earth stuid [stood] in.
We thotht to have writtin to you this letter with oure awin [own] hand, that therby ye myght have better onestand all our meaning & takin mair [more] familliarlie therewit. Bot of trewt [truth] we ar so tyrit [tired] & ewill [ill] at eass [ease], quhat [what] throw rydding of twenty millis [miles] in v [5] horis [hours] of the nyght as wit the frequent seikness & weill dispositioun be th'occasioun of our child/that we could not at this tyme as we was willing to have done…
Your richt [right] gud sister and cusignes [cousin] Marie R.
Jean Stewart Countess Argyll 15333: Around 1533 she was born illegitimately to King James V of Scotland (age 20) and Elizabeth Bethune. She a great granddaughter of King Henry VII of England and Ireland. In 1553 Archibald Campbell 5th Earl Argyll (age 19) and Jean Stewart Countess Argyll 15333 (age 20) were married. She by marriage Countess Argyll. She the daughter of King James V of Scotland and Elizabeth Bethune. He the son of Archibald Campbell 4th Earl Argyll (age 46) and Helen Hamilton Countess Argyll. They were third cousins. She a great granddaughter of King Henry VII of England and Ireland. On 07 Jan 1588 Jean Stewart Countess Argyll 15333 (age 55) died.
Patrick Ruthven 3rd Lord Ruthven: He was born to William Ruthven 2nd Lord Ruthven and Janet Halyburton Lady Dirletoun. Before 1551 Patrick Ruthven 3rd Lord Ruthven and Janet Douglas were married. She the daughter of Archibald Douglas 6th Earl Angus (age 61). After 1551 Patrick Ruthven 3rd Lord Ruthven and Janet Stewart were married. His second marriage, her fourth. She the daughter of John Stewart 2nd Earl Atholl and Janet Campbell Countess Atholl. She a great x 4 granddaughter of King Edward III of England. On 13 May 1566 he died.
On 09 Mar 1598 Henry Berkeley 7th Baron Berkeley (age 63) and Jane Stanhope Baroness Berkeley (age 51) were married at St Giles without Cripplegate Church [Map]. She by marriage Baroness Berkeley. She a great x 5 granddaughter of King Edward III of England.
On 09 Mar 1602 Edward Somerset 2nd Marquess Worcester was born to Henry Somerset 1st Marquess Worcester (age 25) and Anne Russell 2nd Marchioness Worcester (age 24).
Around 09 Mar 1606 James Stewart 6th of Traquair (age 71) died. His grandson John Stewart 1st Earl Traquair (age 6) succeeded 7th Lord Traquair.
On 09 Mar 1621 John Stanhope 1st Baron Stanhope (age 72) died. His son Charles Stanhope 2nd Baron Stanhope (age 28) succeeded 2nd Baron Stanhope of Harrington.
On 09 Mar 1627 Thomas Howard 5th Duke of Norfolk was born to Henry Howard 22nd Earl Arundel 5th Earl Surrey 2nd Earl Norfolk (age 18) and Elizabeth Stewart Countess Arundel and Norfolk (age 17).NOTEXT
Evelyn's Diary. 09 Mar 1649. Now were the Lords murdered in the Palace Yard. [Note. The original entry was dated 05 Mar 1649 whereas most sources agree on the date of their execution being 09 Mar 1649?]
On 09 Mar 1649 at the Old Palace Yard three Royalist Lords were beheaded ...
Arthur Capell 1st Baron Capell Hadham (age 41) was beheaded. His son Arthur Capell 1st Earl Essex (age 17) succeeded 2nd Baron Capell Hadham.
Henry Rich 1st Earl Holland (age 58) was beheaded. His son Robert Rich 5th Earl Warwick 2nd Earl Holland (age 30) succeeded 2nd Earl Holland. Elizabeth Ingram Countess Holland (age 26) by marriage Countess Holland.
James Hamilton 1st Duke Hamilton (age 42) was beheaded. His brother William Hamilton 2nd Duke Hamilton (age 32) succeeded 2nd Duke Hamilton, 3rd Earl Cambridge 4C 1619 by special remainder.
John Owen (age 49) had been sentenced to death but was subsequently pardoned.
On 09 Mar 1650 Elizabeth Darcy 1st Countess Rivers (age 69) died. Earl Rivers 3C 1641 extinct since it was a created for life only .
On 09 Mar 1654 Robert Leke 3rd Earl Scarsdale was born to Nicholas Leke 2nd Earl Scarsdale (age 42) and Frances Rich Countess Scarsdale.
Evelyn's Diary. 09 Mar 1665. I went to receive the poor creatures that were saved out of the London frigate, blown up by accident, with above 200 men. .
On 09 Mar 1666 George Granville 1st Baron Lansdowne was born to Bernard Granville (age 35).
Evelyn's Diary. 09 Mar 1690. I dined at the Bishop of St. Asaph's (age 62), Almoner to the new Queen (age 27), with the famous lawyer Sir George Mackenzie (age 54) (late Lord Advocate of Scotland), against whom both the Bishop (age 62) and myself had written and published books, but now most friendly reconciled. He related to us many particulars of Scotland, the present sad condition of it, the inveterate hatred which the Presbyterians show to the family of the Stuarts, and the exceeding tyranny of those bigots who acknowledge no superior on earth, in civil or divine matters, maintaining that the people only have the right of government; their implacable hatred to the Episcopal Order and Church of England. He observed that the first Presbyterian dissents from our discipline were introduced by the Jesuits' order, about the 20 of Queen Elizabeth, a famous Jesuit among them feigning himself a Protestant, and who was the first who began to pray extempore, and brought in that which they since called, and are still so fond of, praying by the Spirit. This Jesuit remained many years before he was discovered, afterward died in Scotland, where he was buried at ... having yet on his. Monument, "Rosa inter spinas"..
After 09 Mar 1702 Barbara Villiers Viscountess Fitzhardinge (age 48) was appointed Lady in Waiting to Queen Anne of England Scotland and Ireland (age 37).
On 09 Mar 1709 Ralph Montagu 1st Duke Montagu (age 70) died. He was buried at Westminster Abbey [Map]. His son John Montagu 2nd Duke Montagu (age 19) succeeded 2nd Duke Montagu 1C 1705, 4th Baron Montagu of Boughton in Northamptonshire 1C 1621. Mary Churchill Duchess Montagu (age 19) by marriage Duchess Montagu.
Between 22 Jan 1715 and 09 Mar 1715 the 1715 General Election was held. The election had been caused by George I's (age 54) succession. The Whig party, which supported George I (age 54), won an overwhelming majority.
John Rushout 4th Baronet (age 29) was elected MP Malmesbury.
Leonard Smelt (age 32) was elected MP Northallerton.
Thomas Frankland 3rd Baronet (age 30) was elected MP Thirsk.
George Carpenter 1st Baron Carpenter (age 57) was elected MP Whitchurch.
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 09 Mar 1730 Bishop James Yorke was born to Philip Yorke 1st Earl of Hardwicke (age 39) and Margaret Cocks Countess Hardwicke.
On 09 Mar 1753 Frederick Calvert 6th Baron Baltimore (age 22) and Diana Egerton Baroness Baltimore (age 22) were married. She by marriage Baroness Baltimore of Longford in Leinster. She the daughter of Scroop Egerton 1st Duke Bridgewater and Rachel Russell Duchess Bridgewater (age 46). He a great x 2 grandson of King Charles II of England Scotland and Ireland. 
On 09 Mar 1762 George Carpenter 1st Earl Tyrconnel (age 38) died. His son George Carpenter 2nd Earl Tyrconnel (age 12) succeeded 2nd Earl Tyrconnel, 4th Baron Carpenter of Killaghy in County Tipperary.
On 09 Mar 1766 William Flower 2nd Viscount Ashbrook (age 21) and Elizabeth Ridge Viscountess Ashbrook (age 19) were married. She by marriage Viscountess Ashbrook.
On 09 Mar 1780 Friedrich Karl Ludwig Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck (age 22) and Friederike Schlieben Duchess Schleswig-Holstein-Sonderburg-Beck were married. She by marriage Duchess Schleswig-Holstein-Sonderburg-Beck. He the son of Karl Anton Oldenburg I Duke Schleswig-Holstein-Sonderburg-Beck and Frederica Charlotte Dohna Schlodien Duchess Schleswig-Holstein-Sonderburg-Beck.
On 09 Mar 1821 Wilbrahim Tollemache 6th Earl Dysart (age 81) died. His sister Louisa Tollemache 7th Countess Dysart (age 75) succeeded 7th Countess Dysart. Baronet Talmash of Helmingham in Suffolk extinct. Her grandson William Manners aka Tollemache 1st Baronet (age 54) assumed the name Tollemache.
On 09 Mar 1837 Florance George Henry Irby 5th Baron Boston was born to George Ives Irby 4th Baron Boston (age 34) and Fanny Elizabeth Hopkins-Northey Baroness Boston (age 28).
On 09 Mar 1857 James Duff 4th Earl Fife (age 80) died. His nephew James Duff 5th Earl Fife (age 42) succeeded 5th Earl Fife.
On 09 Mar 1877 Caryl Ernest Bagot 6th Baron Bagot was born to Reverend Lewis Richard Charles Bagot (age 30).
On 09 Mar 1882 Thomas James Agar aka Agar-Robartes 1st Baron Robartes (age 73) died. His son Thomas Agar-Robartes 6th Viscount Clifden (age 38) succeeded 2nd Baron Robartes of Lanhydrock and of Truro in Cornwall.
On 09 Mar 1888 William I King Prussia (age 90) died. His son Frederick III King Prussia (age 56) succeeded III Emperor aka Kaiser, III King Prussia. Victoria Empress Germany Queen Consort Prussia (age 47) by marriage Empress aka Kaiser, Queen Prussia.
On 09 Mar 1891 Lucy Tracy Lee died from childbirth six days after the birth of her son Ralph Beckett 3rd Baron Grimthorpe.
On 09 Mar 1906 Gerald Arthur Arundell 15th Baron Arundel (age 44) and Ivy Florence Mary Segrave Baroness Arundel Wardour (age 31) were married. She by marriage Baroness Arundel Wardour in Wiltshire.
