Notable Deaths on May 21

115 people 252 – 2025

May 21 has seen 115 notable figures pass away throughout recorded history — from 252 – 2025. Below are the most significant names who died on this date.

By · Wikipedia

Olaf the Black

1237 — Olaf the Black

Manx son of Godred II Olafsson

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Whether or not this is the case, after Guðrøðr's death in 1187 the Islesmen instead appointed Rǫgnvaldr as king, as he was a capable adult and Óláfr was a mere child

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Óláfr Guðrøðarson, also known as Olaf the Black, was a thirteenth-century King of the Isles, and a member of the Crovan dynasty

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According to the Chronicle of Mann, Guðrøðr appointed Óláfr as heir since he had been born "in lawful wedlock"

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Óláfr was a younger son of his father; Óláfr's elder brother, Rǫgnvaldr, probably had a different mother

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Rǫgnvaldr ruled the island-kingdom for almost forty years, during which time the half-brothers vied for the kingship.


Sun Quan
Chinese emperor of Eastern Wu (born 182)
Sun Quan, courtesy name Zhongmou (仲謀), posthumously known as Emperor Da of Wu, was the founder of Eastern Wu, one of the Three Kingdoms of China. He inherited control of the warlord regime established by his elder…
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252
Feng Dao
Chinese prince and chancellor (born 882)
Feng Dao, courtesy name Kedao, posthumous title the Wenyi Prince of Ying, was a Chinese inventor, printer, and official. He was a government official during the Five Dynasties and Ten Kingdoms period, who served Jie Yan…
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954
Louis V
king of West Francia (born c. 966)
Louis V, also known as Louis the Lazy, was a king of West Francia from 979 to his early death in 987. During his reign, the nobility essentially ruled the country. Dying childless, Louis V was the last Carolingian…
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987
Richeza of Poland
queen of Hungary (born 1013)
Richeza of Poland was Queen of Hungary by marriage to Béla I, King of Hungary.
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1075
Wang Anshi
Chinese statesman and poet (born 1021)
Wang Anshi, courtesy name Jiefu, was a Chinese economist, philosopher, poet, and politician during the Song dynasty. He served as chancellor and attempted major and controversial socioeconomic reforms known as the New…
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1086
Conrad IV
king of Germany (born 1228)
Conrad, a member of the Hohenstaufen dynasty, was the only son of Emperor Frederick II from his second marriage with Queen Isabella II of Jerusalem. He inherited the title of King of Jerusalem upon the death of his…
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1254
Anna of Celje
queen consort of Poland (born 1386)
Anna of Cilli or Anne of Celje was Queen of Poland and Grand Duchess consort of Lithuania from 1402 to 1416. She was the second wife of Jogaila, King of Poland and Supreme Duke of Lithuania. Their marriage was…
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1416
Henry VI
king of England (born 1421)
Henry VI was King of England from 1422 to 1461 and again from 1470 to 1471, and claimant to the French throne from 1422 to 1453 under the terms of the Treaty of Troyes. He became king of England at the age of nine…
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1471
Christian I
king of Denmark (born 1426)
Christian I (Christiern I) was a German noble and Scandinavian monarch under the Kalmar Union. He was king of Denmark (1448–1481), Norway (1450–1481) and Sweden (1457–1464). From 1460 to 1481, he was also duke of…
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1481
Pandolfo Petrucci
Italian ruler (born 1452)
Pandolfo Petrucci was the lord of Siena during the Renaissance.
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1512
Thomas Howard
2nd Duke of Norfolk, English soldier and politician, Lord High Treasurer (born 1443)
Thomas Howard, 2nd Duke of Norfolk, styled Earl of Surrey from 1483 to 1485 and again from 1489 to 1514, was an English nobleman, soldier and statesman who served four monarchs. He was the eldest son of John Howard, 1st…
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1524
Hernando de Soto
Spanish-American explorer (born 1496)
Hernando de Soto was a Spanish explorer and conquistador, who was involved in expeditions in Nicaragua and the Yucatan Peninsula. He played an important role in Francisco Pizarro's conquest of the Inca Empire in Peru,…
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1542
Martynas Mažvydas
Lithuanian writer (born 1510)
Martynas Mažvydas was a Protestant author who edited the first printed book in the Lithuanian language.
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1563
John Rainolds
English scholar and academic (born 1549)
John Rainolds was an English academic and churchman, of Puritan views. He is remembered for his role in the Authorized Version of the Bible, a project of which he was initiator.
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1607
Spanish admiral and nobleman (born c. 1556)
Luis Fajardo y Ruíz de Avendaño,, known simply as Luis Fajardo, was a Spanish admiral and nobleman who had an outstanding naval career in the Spanish Navy. He is considered one of the most reputable Spanish militaries…
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1617
Hieronymus Fabricius
Italian anatomist (born 1537)
Girolamo Fabrici d'Acquapendente, also known as Girolamo Fabrizio or Hieronymus Fabricius, was a pioneering anatomist and surgeon known in medical science as "The Father of Embryology".
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1619
Tommaso Campanella
Italian astrologer, theologian, and poet (born 1568)
Tommaso Campanella, baptized Giovanni Domenico Campanella, was an Italian Dominican friar, philosopher, theologian, astrologer, and poet.
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1639
Pieter Corneliszoon Hooft
Dutch poet and playwright (born 1581)
Pieter Corneliszoon Hooft - Knight in the Order of Saint Michael - was a Dutch historian, poet and playwright who lived during the Dutch Golden Age in literature.
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1647
James Graham
1st Marquess of Montrose, Scottish general and politician (born 1612)
James Graham, 1st Marquess of Montrose was a Scottish nobleman, poet, soldier and later viceroy and captain general of Scotland. Montrose initially joined the Covenanters in the Wars of the Three Kingdoms, but…
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1650
Elizabeth Poole
English settler, founded Taunton, Massachusetts (born 1588)
Elizabeth Poole or Pole was an English settler in Plymouth Colony who founded the town of Taunton, Massachusetts. She was the first woman known to have founded a town in the Americas.
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1664
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Notable deaths

Who died on May 21?

Olaf the Black — Thirteenth-century ruler of the Isle of Man and parts of the Hebrides

Death year1237
Known forHe was a son of Guðrøðr Óláfsson, King of the Isles and Fionnghuala Nic Lochlainn
Deaths on this date115 (252 – 2025)

Explore May 21

Jump between the main pages for this date to compare events, people, and the daily quiz.

Also on May 21 in History

2024
The Greenfield tornado kills 5 and injures 35 across rural Iowa, United States. Wind speeds in excess of 480 kilometres per hour (300 mph) are estimated from measurements for the third time in history. Wikipedia →
2024
A stabbing spree on the Green line of the Taichung MRT injures four people, including the perpetrator. Wikipedia →
2017
Ringling Bros. and Barnum & Bailey Circus performed their final show at Nassau Veterans Memorial Coliseum. Wikipedia →
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