Died on 15th day

March 15, 44 Julius Caesar a Roman general, statesman, Consul, and notable author of Latin prose. He played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire. In 60 BC, Caesar, Crassus, and Pompey formed a political alliance that was to dominate Roman politics for several years. Their attempts to amass power through populist tactics were opposed by the conservative ruling class within the Roman Senate, among them Cato the Younger with the frequent support of Cicero. Caesar's victories in the Gallic Wars, completed by 51 BC, extended Rome's territory to the English Channel and the Rhine. Caesar became the first Roman general to cross both when he built a bridge across the Rhine and conducted the first invasion of Britain
January 15, 69 Galba Roman Emperor for seven months from 68 to 69. Galba was the governor of Hispania Tarraconensis, and made a bid for the throne during the rebellion of Julius Vindex. He was the first emperor of the Year of the Four Emperors
March 15, 220 Cao Cao a warlord and the penultimate Chancellor of the Eastern Han dynasty who rose to great power in the final years of the dynasty. As one of the central figures of the Three Kingdoms period, he laid the foundations for what was to become the state of Cao Wei and was posthumously honoured as "Emperor Wu of Wei". Although he is often portrayed as a cruel and merciless tyrant, Cao Cao has also been praised as a brilliant ruler and military genius who treated his subordinates like his family. He was also skilled in poetry and martial arts and wrote many war journals
May 15, 392 Valentinian II Roman Emperor from AD 375 to 392.
October 15, 412 Pope Theophilus of Alexandria the twenty-third Pope of Alexandria and Patriarch of the See of Mark. He became Pope at a time of conflict between the newly dominant Christians and the pagan establishment in Alexandria, each of which was supported by a segment of the Alexandrian populace. Edward Gibbon described him as "...the perpetual enemy of peace and virtue, a bold, bad man, whose hands were alternately polluted with gold and with blood."
July 15, 417 Pishoy an Egyptian desert father. He is said to have seen Jesus and that his body is preserved to the present day in incorruptibility at the Monastery of Saint Bishoy at the Nitrian Desert, Egypt. He is venerated by the Oriental Orthodox Churches and the Eastern Orthodox Churches, and is known in the latter under the Greek version of his name, Paisios
August 15, 423 Honorius (emperor) Western Roman Emperor from 395 to 423. He was the younger son of emperor Theodosius I and his first wife Aelia Flaccilla, and brother of Arcadius, who was the Eastern Emperor from 395 until his death in 408
August 15, 465 Libius Severus Western Roman Emperor from November 19, 461 to his death.
May 15, 558 Hilary of Galeata venerated as a saint in the Roman Catholic and Eastern Orthodox churches. His feast day is May 15
November 15, 565 Justinian I a Byzantine emperor from 527 to 565. During his reign, Justinian sought to revive the empire's greatness and reconquer the lost western half of the historical Roman Empire
January 15, 570 Íte of Killeedy an early Irish nun and patron saint of Killeedy. She was known as the "foster mother of the saints of Erin". The name "Ita" was conferred on her because of her saintly qualities. Her feast day is 15 January
January 15, 584 Saint Maurus O.S.B. was the first disciple of Benedict of Nursia. He is mentioned in Gregory the Great's biography of the latter as the first oblate; offered to the monastery by his noble Roman parents as a young boy to be brought up in the monastic life. Four stories involving Maurus recounted by Gregory formed a pattern for the ideal formation of a Benedictine monk. The most famous of these involved Maurus's rescue of Saint Placidus, a younger boy offered to Benedict at the same time as Maurus. The incident has been reproduced in many medieval and Renaissance paintings
November 15, 621 Malo (saint) the mid-6th century founder of Saint-Malo in Brittany, France. He is one of the seven founder saints of Brittany
April 15, 628 Empress Suiko the 33rd monarch of Japan, according to the traditional order of succession.
November 15, 655 Penda of Mercia today the English Midlands. A pagan at a time when Christianity was taking hold in many of the Anglo-Saxon kingdoms, Penda took over the Severn Valley in 628 following the Battle of Cirencester before participating in the defeat of the powerful Northumbrian king Edwin at the Battle of Hatfield Chase in 633
November 15, 655 Æthelhere of East Anglia King of East Anglia from 653 or 654 until his death. Æthelhere was a member of the ruling Wuffingas dynasty and was one of three sons of Eni to rule East Anglia as Christian kings. He was a nephew of Rædwald, who was the first of the Wuffingas of which more than a name is known
September 15, 668 Constans II Byzantine Emperor from 641 to 668. He was the last emperor to serve as consul, in 642. Constans is a diminutive nickname given to the Emperor, who had been baptized Herakleios and reigned officially as Constantine. The nickname established itself in Byzantine texts and has become standard in modern historiography
February 15, 670 Oswiu of Northumbria a King of Bernicia. His father, Æthelfrith of Bernicia, was killed in battle, fighting against Rædwald, King of the East Angles and Edwin of Deira at the River Idle in 616. Along with his brothers and their supporters, Oswiu was then exiled until Edwin's death in 633
February 15, 706 Leontios Byzantine emperor from 695 to 698. He came to power by overthrowing the Emperor Justinian II, but was overthrown in his turn by Tiberios III. His actual and official name was Leo , but he is known by the name used for him in Byzantine chronicles
February 15, 706 Tiberios III Byzantine emperor from 698 to 21 August 705. Although his rule was considered generally successful, especially in containing the Arab threat to the east, he was overthrown by the former emperor Justinian II and subsequently executed
July 15, 756 Yang Guifei known as one of the Four Beauties of ancient China. She was the beloved consort of Emperor Xuanzong of Tang during his later years
January 15, 849 Theophylact (son of Michael I) the eldest son of the Byzantine emperor Michael I Rhangabe and grandson, on his mother's side, of Nikephoros He was junior co-emperor alongside his father for the duration of the latter's reign, and was tonsured, castrated, and exiled to Plate Island after his overthrow.
May 15, 884 Pope Marinus I Pope from 16 December 882 to his death in 884. He succeeded John VIII in about the end of December 882
October 15, 892 Al-Mu'tamid about the Abbasid Caliph al-Mu'tamid of Baghdad. For the Andalusi Arabic poet who was also the Abbadid king of Seville, see Muhammad Ibn Abbad Al Mutamid
October 15, 898 Lambert II of Spoleto the King of Italy from 891, Holy Roman Emperor, co-ruling with his father from 892, and Duke of Spoleto and Camerino from his father's death in 894. He was the son of Guy III of Spoleto and Ageltrude, born in San Rufino. He was the last ruler to issue a capitulary in the Carolingian tradition
October 15, 912 Abdullah ibn Muhammad al-Umawi the seventh Emir of Córdoba, reigning from 888 to 912 in Al-Andalus.
May 15, 913 Hatto I (archbishop of Mainz) archbishop of Mainz from 891 until his death.
September 15, 921 Ludmila of Bohemia a Czech saint and martyr venerated by the Orthodox and the Roman Catholics. She was born in Mělník as daughter of a Slavic prince Slavibor. Saint Ludmila was the grandmother of Saint Wenceslaus, who is widely referred to as Good King Wenceslaus
June 15, 923 Robert I of France the king of West Francia from 922 to 923. Before his succession to the kingdom he was Count of Poitiers, Count of Paris and Marquis of Neustria and Orléans. He succeeded the Carolingian king Charles the Simple, who in 898 had succeeded Robert’s brother Odo
May 15, 925 Nicholas Mystikos the Ecumenical Patriarch of Constantinople from March 901 to February 907 and from May 912 to his death in 925. His feast day in the Orthodox Church is May 16
March 15, 931 Pope Stephen VII Pope from February 929 to his death in 931. A candidate of the infamous Marozia, his pontificate occurred during the period known as the Saeculum obscurum
May 15, 947 Emperor Taizong of Liao the second emperor of the Khitan Empire.
June 15, 948 Romanos I Lekapenos an Armenian who became a Byzantine naval commander and reigned as Byzantine Emperor from 920 until his deposition on December 16, 944.
October 15, 961 Abd-ar-Rahman III the Emir and Caliph of Córdoba of the Ummayad dynasty in al-Andalus. Called al-Nasir li-Din Allah , he ascended the throne in his early 20s, and reigned for half a century as the most powerful prince of Iberia. Although people of all creeds enjoyed tolerance and freedom of religion under his rule, he repelled the Fatimids, partly by supporting their Maghrawa enemies in North Africa, and partly by claiming the title Caliph for himself
March 15, 963 Romanos II a Byzantine Emperor. He succeeded his father Constantine VII in 959 at the age of twenty-one and died suddenly in 963
July 15, 967 Boleslaus I Duke of Bohemia the ruler of the Duchy of Bohemia from 935 to his death. He was the son of Vratislaus I and the younger brother of his predecessor, Wenceslaus I
May 15, 973 Byrhthelm the Bishop of Wells and briefly the archbishop of Canterbury. A monk from Glastonbury Abbey, he served as Bishop of Wells beginning in 956, then was translated to Canterbury in 959, only to be translated back to Wells in the same year
August 15, 978 Li Yu (Southern Tang) the third ruler of the Southern Tang state during imperial China's Five Dynasties and Ten Kingdoms period. He reigned from 961 until 976, when he was captured by the invading Song Dynasty armies which annexed his kingdom. He died by poison on orders of Emperor Taizong of Song after 2 years essentially as an exiled prisoner
June 15, 991 Theophanu the niece of the Byzantine Emperor John I Tzimiskes. By her marriage with Holy Roman Emperor Otto II, she was Empress consort of the Holy Roman Empire and held regency as Empress dowager upon her husband's death in 983. Her name is derived from Medieval Greek Theophaneia , "appearance of God"
December 15, 1011 Conrad I Duke of Carinthia Duke of Carinthia from 1004 until his death.
July 15, 1015 Vladimir the Great a prince of Novgorod, grand prince of Kiev, and ruler of Kievan Rus' from 980 to 1015.
December 15, 1025 Basil II a Byzantine Emperor from the Macedonian dynasty who reigned from 10 January 976 to 15 December 1025. He was known in his time as Basil the Porphyrogenitus and Basil the Young to distinguish him from his supposed ancestor, Basil I the Macedonian
May 15, 1036 Emperor Go-Ichijō the 68th emperor of Japan, according to the traditional order of succession.
November 15, 1037 Odo II Count of Blois the Count of Blois, Chartres, Châteaudun, Beauvais and Tours from 1004 and Count of Troyes and Meaux from 1022. He twice tried to make himself a king: first in Italy after 1024 and then in Burgundy after 1032
August 15, 1038 Stephen I of Hungary the last Grand Prince of the Hungarians between 997 and 1000 or 1001, and the first King of Hungary from 1000 or 1001 until his death in 1038. The year of his birth is uncertain, but many details of his life suggest that he was born in or after 975 in Esztergom. At his birth, he was given the pagan name Vajk. The date of his baptism is unknown. He was the only son of Grand Prince Géza and his wife, Sarolt, who was descended from the prominent family of the gyulas. Although both of his parents were baptized, Stephen was the first member of his family to become a devout Christian. He married Gisela of Bavaria, a scion of the imperial Ottonian dynasty
April 15, 1053 Godwin Earl of Wessex one of the most powerful earls in England under the Danish king Cnut the Great and his successors. Cnut made him the first Earl of Wessex. Godwin was the father of King Harold Godwinson and Edith of Wessex, wife of King Edward the Confessor
August 15, 1057 Macbeth King of Scotland King of the Scots from 1040 until his death. He is best known as the subject of William Shakespeare's tragedy Macbeth and the many works it has inspired, although the play presents a highly inaccurate picture of his reign and personality
August 15, 1064 Ibn Hazm an Andalusian polymath born in Córdoba, present-day Spain. He was a leading proponent and codifier of the Zahiri school of Islamic thought, and produced a reported 400 works of which only 40 still survive, covering a range of topics such as Islamic jurisprudence, history, ethics, comparative religion, and theology, as well as The Ring of the Dove, on the art of love. The Encyclopaedia of Islam refers to him as having been one of the leading thinkers of the Muslim world, and he is widely acknowledged as the father of comparative religious studies
December 15, 1072 Alp Arslan the second Sultan of the Seljuk Empire and great-grandson of Seljuk, the eponymous founder of the dynasty. His real name was Muhammad bin Dawud Chaghri, and for his military prowess, personal valour, and fighting skills he obtained the name Alp Arslan, which means "Heroic Lion" in Turkish
June 15, 1073 Emperor Go-Sanjō the 71st emperor of Japan, according to the traditional order of succession.