March 2 – William Sawtrey, a Lollard, is the first person to be burned at the stake at Smithfield.
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Andronikos Asen Zaccaria, Baron of Chalandritsa and Arcadia, Grand Constable of Achaea
Agnese del Maino (c. 1401 – 13 December 1465) was a Milanese noblewoman and the mistress of Filippo Maria Visconti, the last legitimate Duke of Milan of the Visconti dynasty.
In 1401, while serving as the Florentine ambassador to Bavaria, he, his brothers, and their descendents were ennobled by Rupert, King of Germany, after having saved his life by thwarting a poisoning attempt by the Duke of Milan.
Charles de Bourbon (1401 – 4 December 1456, Château de Moulins) was the oldest son of John I, Duke of Bourbon and Marie, Duchess of Auvergne.
Chaxiraxi was later associated with an alleged appearance circa 1400 or 1401 of the Virgin of Candelaria on Güímar, on the island of Tenerife.
Nicholas of Cusa (1401–1464), German philosopher, theologian, jurist, and astronomer
The last ever notice of Dúghall occurs in a charter of the lord of Byres, wherein Dúghall appears along with the Duke of Albany and Walter Trail, Bishop of St Andrews; the charter can be dated between 1398 (creation of the Duchy of Albany) and 1401 (the death of Walter Trail).
Some time after the death of Bishop Dúghall (last attested 1398 × 1401), Fionnlagh was elected as Bishop of Dunblane; on 10 September 1403, Fionnlagh was provided to the bishopric by the Pope directly, the election being illegal due - so it was claimed - to earlier papal reservation of the see.
The first record of coal mining in the parish comes from 1401 when Thomas Smith took a year's lease on the 'vein coal' of Black Brook, near Upper Hulme.
The IBM 1401 Symbolic Programming System (SPS) was an assembler that was developed by Gary Mokotoff, IBM Applied Programming Department, for the IBM 1401 computer, the first of the IBM 1400 series.
Jacqueline, Countess of Hainaut (1401–1436), Duchess of Bavaria-Straubing, Countess of Hainaut and Holland
The theory has been proven wrong, with Dominik Mandić claiming it improbable that a newly elected and childless king would marry a woman aged at least 55, and impossible that she would give birth to his son in 1401 &ndash almost a decade after she had become a great-grandmother.
After the early death of his elder brother Engelbert III in 1401, he succeeded as Count of Ziegenhain and Nidda.
John II, Duke of Brunswick-Grubenhagen (d. 1401), canon in Hildesheim, Einbeck and Mainz, son of Ernest I, Duke of Brunswick-Grubenhagen
He ruled Sicily jointly with Maria until her death at Lentini on May 25, 1401/1402.
The school is located at 1401 Maricopa Highway, just to west of the City and near the Census tract designated town of Meiners Oaks.
He had a younger brother, Edmund Mortimer, and two sisters, Elizabeth, who married Henry 'Hotspur' Percy, and Philippa (1375-1401), who married firstly John Hastings, 3rd Earl of Pembroke (d.1389), killed in a tournament at Woodstock Palace, secondly Richard de Arundel, 11th Earl of Arundel (1346-1397), beheaded in 1397, and thirdly, Sir Thomas Poynings.
Thornton was a speculator in lead mines, and he was certainly working some in Weardale under lease from the Bishop of Durham in 1401.
Taddea's husband Stephen married secondly, on 16 January 1401, Elisabeth of Cleves, daughter of Count Adolf III of Cleves.
Thomas de Beauchamp, 12th Earl of Warwick (1338/1339 – 1401), English medieval nobleman, and one of the primary opponents of Richard II
"The Church of St. Nicholas, Cheldreton, was given to the Monks of St. Neots (Huntingdonshire) about 1175 by Roger Burnard, and the grant was confirmed by Pope Alexander III. In 1380, 1399 and 1401 John Skylling, lord of the manor, was also patron of the church, probably by temporary grants from the Convent. In 1445 it was again in St. Neots' Priory, but seems to have been finally alienated to John Skylling about 1449."