01 Mar is in March.
On 01 Mar 1105 Alfonso VII King Castile VII King Leon was born to Raymond Ivrea (age 35) and Urracca "Reckless" Jiménez Queen Consort Aragon and Pamplona (age 25).
On 01 Mar 1108 Manasses Normandy Bishop Cambrai Bishop Soissons died.
Before 01 Mar 1350 Hugh Stafford 2nd Earl Stafford (age 14) and Philippa Beauchamp Countess Stafford (age 16) were married. She the daughter of Thomas Beauchamp 11th Earl Warwick (age 37) and Katherine Mortimer Countess Warwick (age 36). He the son of Ralph Stafford 1st Earl Stafford (age 48) and Margaret Audley Countess Stafford. He a great x 2 grandson of King Edward "Longshanks" I of England. She a great x 5 granddaughter of King John "Lackland" of England.
Archaeologia Volume 35 1853 XXXIII. On the 1st of March , the Earl of Ulster, Lionel (age 19), afterwards Duke of Clarence, son of Edward III., takes supper with the Queen (age 63). It will be remembered that Lionel's daughter, Philippa (age 2), subsequently brought a claim to the English crown into the family of the Mortimers, by her marriage with Edmund Earl of March (age 6).
Henry Machyn's Diary. 01 Mar 1560. The furst day of Marche was a proclamasyon by the quen('s) (age 26) grace and the consell that no man nor woman, nor they that kepys tabulles, shuld ett no flese in lentt nor odur tyme in the yere that ys commondyd by the chyrche, nor no bucher kyll no flese, but that they should pay a grett fyne, or elles vj ours [2 hours] on the pelere, and in-presoment x  days.... and after taken downe and cared .... knyght marshall('s) servandes unto the nuw pet .... Cornhylle and ther a serten tyme.
On 01 Mar 1577 Richard Weston 1st Earl of Portland was born to Jerome Weston (age 21).
Pepy's Diary. 01 Mar 1666. Up, and to the office and there all the morning sitting and at noon to dinner with my Lord Bruncker (age 46), Sir W. Batten (age 65) and Sir W. Pen (age 44) at the White Horse in Lombard Street [Map], where, God forgive us! good sport with Captain Cocke's (age 49) having his mayde sicke of the plague a day or two ago and sent to the pest house, where she now is, but he will not say anything but that she is well.
Evelyn's Diary. 01 Mar 1686. Came Sir Gilbert Gerrard to treate with me about his sonn's marrying my daughter Susanna (age 17). The father being obnoxious, and in some suspicion and displeasure of the King (age 52), I would receive no proposal till his Ma* (age 52) had given me leave, wch he was pleas'd to do; but after severall meetings we brake off on his not being willing to secure any thing competent for my daughter's children; besides that I found most of his estate was in ye coal pits as far off as Newcastle, and on leases from the Bishop of Durham, who had power to make concurrent leases, with other difficulties.
On 01 Mar 1690 John Holles 1st Duke Newcastle upon Tyne (age 28) and Margaret Cavendish Duchess Newcastle upon Tyne (age 28) were married. She by marriage Countess Clare. She the daughter of Henry Cavendish 2nd Duke Newcastle upon Tyne (age 59) and Frances Pierrepont Duchess Newcastle upon Tyne (age 59). He the son of Gilbert Holles 3rd Earl Clare and Grace Pierrepont Countess Clare (age 57). They were first cousins.
On 01 Mar 1694 the Turkish Fleet was lost in a severe storm off Gibralter. Sussex sank with the loss of five hundred men.
Before 01 Mar 1709 Henry Bentinck 1st Duke Portland (age 26) and Elizabeth Noel Duchess Portland (age 21) were married. She the daughter of Wriothesley Baptist Noel 2nd Earl Gainsborough and Catherine Greville Duchess Buckingham and Normandby. He the son of William Bentinck 1st Earl of Portland (age 59) and Anne Villiers Countess Portland.
On 01 Mar 1712 Robert Petre 7th Baron Petre (age 23) and Catherine Walmesley Baroness Petre and Stourton were married.
Elizabeth Oates: She was born to Richard Oates of Pontefract. Before 02 Jan 1726 William Yorke of Lessingham (age 55) and she were married.
After 01 Mar 1746. Memorial to Samuel Rolle, Dorothy Rolle and Samuel Rolle at the Church of the Holy Trinity, Weare Giffard.
On 01 Mar 1842 Francis Charles Seymour-Conway 3rd Marquess Hertford (age 64) died. His son Richard Seymour-Conway 4th Marquess Hertford (age 42) succeeded 4th Marquess Hertford 2C 1793, 4th Earl Hertford 5C 1750, 4th Earl of Yarmouth 3C 1740, 4th Viscount Beauchamp 2C 1750, 5th Baron Conway of Ragley in Warwickshire 1C 1703 England, 5th Baron Conway of Killultagh in Antrim.
On 01 Mar 1851 Edward Ponsonby 8th Earl Bessborough was born to Walter William Brabazon Ponsonby 7th Earl Bessborough (age 29) and Louisa Susan Cornwallis Eliot Countess Bessborough (age 25).
On 01 Mar 1868 George Byron 7th Baron Byron (age 78) died.
On 12 Jan 1884 Robert Nicholas Hamond (age 74) died. On 01 Mar 1893 his wife Sophia Caroline Musters (age 71) died.
On 13 Dec 1869 Anthony Hamond (age 65) died. On 31 Jan 1900 his wife Mary Anne Musters (age 77) died.
On 30 Mar 1895 Anthony Hamond (age 61) died.
On 01 Mar 1889 Henry John Reuben Dawson-Damer 3rd Earl of Portarlington (age 66) died.
On 01 Mar 1914 Gilbert Elliot-Murray-Kynynmound 4th Earl Minto (age 68) died. His daughter Victor Elliot-Murray-Kynynmound 5th Countess Minto (age 23) succeeded 5th Countess Minto of Minto in Roxburghshire, 8th Lady Elliot of Minto.
01 Mar 1915. Memorial at St Columb's Church, St Columb to Walter Drummond Vyvyan, killed on the 1st March 1915. His parents were Richard Walter Comyn Vyvyan and Mary (née Foster). Walter was educated at Clifton College, Bedford Grammar School and RMC Sandhurst from where he was gazetted, in May 1907, to the King's Shropshire Light Infantry. Initially joining the 1st Battalion at Bordon, he was sent to the 2nd Battalion in India in September 1909, being promoted to Lieutenant in March 1910. After returning to England in November 1914, he was sent to France in December and, while his battalion was at Winchester preparing for front-line service, Walter was attached to the Army Cyclists of the 27th Division where he was to command a platoon of bombers. On the night of 1 March 1915, Walter was with his men at the head of an attack made by another battalion on German trenches near St Eloi (just south of Ypres) when he was killed by machine-gun fire. Owing to this fire it proved impossible to recover his body. For this action, Lt. Vyvyan was mentioned in the Dispatches of Sir John French of 31 May 1915 (with the action receiving a mention in the dispatch of 5 April).