With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charlemagne was crowned Emperor of the Romans on Christmas Day.
text_B: Charlemagne -LRB- -LSB- ˈʃɑːrlᵻmeɪn -RSB- -RRB- or Charles the Great -LRB- 2 April 742 / 747 / 74828 January 814 -RRB- , numbered Charles I , was the King of the Franks from 768 , King of the Lombards from 774 and Emperor of the Romans from 800 .. King of the Lombards. King of the Lombards. King of the Franks. King of the Franks. Emperor of the Romans. Holy Roman Emperor. Lombards. Lombards. He united much of Europe during the early Middle Ages .. Middle Ages. Middle Ages. He was the first recognised emperor in western Europe since the fall of the Western Roman Empire three centuries earlier .. fall of the Western Roman Empire. fall of the Western Roman Empire. Roman Empire. Roman Empire. The expanded Frankish state that Charlemagne founded was called the Carolingian Empire .. Carolingian. Carolingian dynasty. Frankish. Old Frankish language. Carolingian Empire. Carolingian Empire. Charlemagne was the oldest son of Pepin the Short and Bertrada of Laon .. Pepin the Short. Pepin the Short. Bertrada of Laon. Bertrada of Laon. He became king in 768 following his father 's death , initially as co-ruler with his brother Carloman I. Carloman 's sudden death in 771 in unexplained circumstances left Charlemagne as the undisputed ruler of the Frankish Kingdom .. Frankish Kingdom. Frankish Kingdom. Frankish. Old Frankish language. Carloman I. Carloman I of the Franks. He continued his father 's policy towards the papacy and became its protector , removing the Lombards from power in northern Italy and leading an incursion into Muslim Spain .. papacy. Pope. Lombards. Lombards. Muslim Spain. Al-Andalus. He campaigned against the Saxons to his east , Christianising them upon penalty of death and leading to events such as the Massacre of Verden .. Saxons. Saxons. Christianising them upon penalty of death. Capitulatio de partibus Saxoniae. Massacre of Verden. Massacre of Verden. Charlemagne reached the height of his power in 800 when he was crowned Emperor of the Romans by Pope Leo III on Christmas Day at Old St. Peter 's Basilica .. Emperor of the Romans. Holy Roman Emperor. Pope Leo III. Pope Leo III. Charlemagne has been called the `` Father of Europe '' -LRB- Pater Europae -RRB- , as he united most of Western Europe for the first time since the Roman Empire .. Roman Empire. Roman Empire. His rule spurred the Carolingian Renaissance , a period of energetic cultural and intellectual activity within the Western Church .. Carolingian. Carolingian dynasty. Carolingian Renaissance. Carolingian Renaissance. All Holy Roman Emperors considered their kingdoms to be descendants of Charlemagne 's empire , up to the last Emperor Francis II and the French and German monarchies .. French. List of French monarchs. Holy Roman Emperors. list of Holy Roman Emperors. Emperor Francis II. Emperor Francis II. German. List of German monarchs. However , the Eastern Orthodox Church views Charlemagne more controversially , labelling as heterodox his support of the filioque and recognition by the Bishop of Rome as legitimate Roman Emperor , rather than recognising Irene of Athens of the Eastern Roman Empire .. Roman Empire. Roman Empire. Eastern Orthodox Church. Eastern Orthodox Church. heterodox. Heterodoxy. filioque. filioque. Bishop of Rome. Bishop of Rome. Irene of Athens. Irene of Athens. Eastern Roman Empire. Eastern Roman Empire. These and other machinations led to the eventual split of Rome and Constantinople in the Great Schism of 1054 .. Great Schism of 1054. East-West Schism. Charlemagne died in 814 , having ruled as emperor for thirteen years .. He was laid to rest in his imperial capital of Aachen in what is today Germany .. Aachen. Aachen. Germany. Germany. He married at least four times and had three legitimate sons , but only his son Louis the Pious survived to succeed him .. Louis the Pious. Louis the Pious
related.