His mother Julia Avita Mamaea was the second daughter of Julia Maesa and Syrian noble Julius Avitus and maternal aunt of Emperor Elagabalus.

* 222 – Emperor Elagabalus is assassinated, along with his mother, Julia Soaemias, by the Praetorian Guard during a revolt.

Urban ascended to the Chair of Saint Peter in the year of the Roman Emperor Elagabalus ' assassination and served during the reign of Alexander Severus.

One of his most famous paintings is The Roses of Heliogabalus ( 1888 ) – based on an episode from the life of the debauched Roman Emperor Elagabalus ( Heliogabalus ), the painting depicts the psychopathic Emperor suffocating his guest at an orgy under a cascade of rose petals.

Seeing that her grandson's outrageous behavior could mean the loss of power, Julia Maesa persuaded Elagabalus to accept his cousin Alexander Severus as Caesar ( and thus the nominal Emperor to be ).

However, Alexander was popular with the troops, who viewed their new Emperor with dislike: when Elagabalus, jealous of this popularity, removed the title of Caesar from his nephew the enraged praetorian guard swore to protect him.

Born Marcus Julius Gessius Bassianus Alexianus, Alexander was adopted as heir apparent by his slightly older and very unpopular cousin, the Emperor Elagabalus at the urging of the influential and powerful Julia Maesa — who was grandmother of both cousins and who'd arranged for the emperor's acclamation by the Third Legion.

The eighteen year-old Emperor Elagabalus and his mother were both taken from the palace, dragged through the streets, murdered and thrown in the river Tiber by the praetorian guard, who then proclaimed Alexander Severus as Augustus.

* Probable birth of Roman Emperor Marcus Aurelius Antoninus, better known as Elagabalus ( d. 222 )

Emperor Elagabalus

* June 26 – Emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar.

He married Julia Soaemias, and was the supposed father of Varius Avitus Bassianus, the later Roman Emperor Marcus Aurelius Antoninus, better known as Elagabalus.

The cult statue was brought to Rome by the Emperor Marcus Aurelius Antoninus, who before his accession was the hereditary high priest at Emesa and is commonly called Elagabalus after the deity.

After the Emperor was killed in 222, his religious edicts were reversed and the cult of Elagabalus returned to Emesa.

According to this source, Gordian served as quaestor in Elagabalus ' reign and as praetor and consul suffect with Emperor Alexander Severus.

* Aquilia Severa, whom Emperor Elagabalus married amid considerable scandal.

* The Roman Emperor also known as Elagabalus.

The titles Antoniniana ( awarded by Caracalla or Elagabalus ), Gordiana ( by Gordian III ), Deciana ( by Decius ), Floriana ( by Florianus ), and Cariniana ( by Carinus ) were short-lived, however, and dropped after the death of the Emperor.

The legion disappears from the sources after 219, when their commander, Gellius Maximus, rebelled against Emperor Elagabalus and proclaimed himself emperor, only to be defeated by Elagabalus.

Julia Soaemias Bassiana ( 180 – March 11, 222 ) was the mother of Roman Emperor Elagabalus and ruled over the Roman Empire during the minority of her son's rule.

* Annia Faustina or Annia Aurelia Faustina, the great, granddaughter of Marcus Aurelius and Faustina the Younger, the third wife of Roman Emperor Elagabalus

* Elagabalus Sol Invictus or Lord of Emessa, a Syrian sun god brought to Rome by Emperor Elagabalus

It was he who, in old age, crowned Louis IV of Bavaria as Holy Roman Emperor in 1328.

* 1908 – Child Emperor Pu Yi ascends the Chinese throne at the age of two

According to this account, Emperor Senka died in 539 at the age of 73 ; and succession passed to the third son of Emperor Keitai.

Emperor Yōmei's reign lasted only two years ; and he died at the age of 69.

Emperor Sushun's reign lasted for five years before his death at the age of 72.

* May 18, 809 (): Emperor Saga was enthroned at age 24.

* 810: After the rebellion of Emperor Heizei, he became the crown prince of Emperor Saga at 25 years of age.

* 6 May 850 (): Emperor Ninmyō died at the age of 41.

Upon the death of his father in 858, Emperor Montoku, he became Emperor at the age of 8, but the real power was held by his grandfather, Yoshifusa.

When Theodosius died, in January 395, Honorius and Arcadius divided the Empire, so that Honorius became Western Roman Emperor at the age of ten.

In 1440 he was elected German king as Frederick IV and in 1452 crowned Holy Roman Emperor as Frederick III by Pope Nicholas V. In 1452, at the age of 37, he married the 18-year-old Infanta Eleanor, daughter of King Edward of Portugal, whose dowry helped him to alleviate his debts and cement his power.

During the Chinese Song Dynasty ( 960-1279 AD ), not only landscape art was improved upon, but portrait painting became more standardized and sophisticated than before ( for example, refer to Emperor Huizong of Song ), and reached its classical age maturity during the Ming Dynasty ( 1368-1644 AD ).

* 414 – Emperor Theodosius II, age 13, yields power to his older sister Aelia Pulcheria who reigns as regent and proclaimed herself empress ( Augusta ) of the Eastern Roman Empire.

Rome's second Emperor died at the port town of Misenum on 16 March 37 AD, at the age of seventy-eight, having reigned for 23 years.

Jahangir was the eldest son of Mughal Emperor Akbar and was declared successor to his father from an early age.

In 127, at the age of six, Marcus was enrolled in the equestrian order on the recommendation of Emperor Hadrian.

In 1522, at the age of six, she was instead contracted to marry her 22-year-old first cousin, the Holy Roman Emperor Charles V. However, the engagement was broken off within a few years by Charles with Henry's agreement.

Nero was not expected to become Emperor because his maternal uncle, Caligula, had begun his reign at the age of 25 with enough time to produce his own heir.

* 425 – Valentinian III is elevated as Roman Emperor, at the age of 6.

She suffered martyrdom at the age of twelve or thirteen during the reign of the Roman Emperor Diocletian, on 21 January 304.

* 372 – Sixteen Kingdoms: Jin Xiaowudi, age 10, succeeds his father Jin Jianwendi as Emperor of the Eastern Jin Dynasty.

At a young age, he was chosen as successor to the Mughal throne after the death of Emperor Jahangir.