However, this situation changed drastically when Alexios ' first son John II Komnenos was born in 1087: Anna's engagement to Constantine was dissolved, and she was moved to the main Palace to live with her mother and grandmother.

Geoffrey also names him as one of three sons of Constantine III, along with Constans II and Uther Pendragon.

He continued to lead the conflict against the Arians for the rest of his life and was engaged in theological and political struggles against the Emperors Constantine the Great and Constantius II and powerful and influential Arian churchmen, led by Eusebius of Nicomedia and others.

As a result of rises and falls in Arianism's influence after the First Council of Nicaea, Emperor Constantine I banished him from Alexandria to Trier in the Rhineland, but he was restored after the death of Constantine I by the emperor's son Constantine II.

A first wall was erected by Constantine I, and the city was surrounded by a double wall lying about 2 km to the west of the first wall, begun during the 5th century by Theodosius II.

* Constantine II ( emperor )

* Constantine II, Prince of Armenia

* Constantine II, King of Armenia, also called Constantine IV

* Constantine II ( or Kuestantinos II ) of Ethiopia, also known as Eskender

* Constantine II of Greece

* Constantine II of Scotland

* Constantine II of Georgia

* Tiberius II Constantine

* Patriarch Constantine II of Constantinople

* Antipope Constantine II

Constantine II may refer to:

* Constantine II ( emperor ) ( 317 – 340 ), Roman Emperor 337 – 340

* Constantine III ( usurper ) ( died 411 ), known as Constantine II of Britain in British legend

* Constantine II of Byzantine ( 630 – 668 )

* Constantine I of Cagliari

* Constantine II of Cagliari ( circa 1100 – 1163 )

In 1089, Constantine Salusio de Lacon appeared with the title of rex et iudex Caralitanus (" King and Judge of Cagliari ").

The city's name comes from its distance to Cagliari ( Quartum miles, Latin for “ four miles ”), and from the passage there of St. Helena, mother of emperor Constantine.

* William II of Cagliari ( died 1254 )

During World War II Cagliari was heavily bombed by the Allies in February 1943.

During World War II Sardinia was a theater of bombing ; the cities of Cagliari and Alghero were heavily bombed.

After his death in 1409 in Cagliari, Sardinia, his father, by then king of Aragon, ruled Sicily as Martin II.

In 1323 James II formed an alliance with Hugh II of Arborea and, following a military campaign which lasted a year or so, occupied the Pisan territories of Cagliari and Gallura along with the city of Sassari, claiming the territory as the Kingdom of Sardinia and Corsica.

In 354, Pope Liberius asked Eusebius to join Bishop Lucifer of Cagliari in carrying a request to the Emperor Constantius II at Milan, pleading for the emperor to convoke a council to end the dissentions over the status of Athanasius of Alexandria and the matter of Arianism.

In 1066 Quartu was given to Cagliari ’ s archbishop and then went back to Judge Torgotorio II of Cagliari.