It is long and was built to carry the Emperor Yang Guang between Beijing and Hangzhou.

Statue of Yang Guifei ( 719-756 ), the favoured concubine of Emperor Tang Xuanzong of China.

The first foot-sensor-activated automatic door was made in China during the reign of Emperor Yang of Sui ( r. 604 – 618 ), who had one installed for his royal library.

* Li Linfu, Chancellor of Tang China during the reign of Emperor Xuanzong ( 712 – 756 ) in the latter years, was exhumed and executed for crimes of high treason by his rival Yang Guozhong for his implication in the An Lushan Rebellion.

* Emperor Yang Guang of the Sui Dynasty orders the capital to be transferred from Chang ' an to Luoyang, and orders the Grand Canal to be built.

* After the completion of the Grand Canal of China, Emperor Yang of Sui led a recorded long naval flotilla of ships from the north down to his southern capital at Yangzhou.

* Yang Guifei, consort of Emperor Xuanzong ( executed )

* September 8 – Emperor Yang of Sui

* Yang Yan, minister under Emperor Dezong

* Goguryeo general Yang Manchun resists the Emperor Taizong of Tang.

* Emperor Yang of Sui ( b. 569 )

* Empress Yang Yan, first wife of Emperor Wu ( d. 274 )

The mothers of both Emperor Yang of Sui ( r. 604 – 617 ) and the founding emperor of Tang were sisters, making these two emperors of different dynasties first cousins.

In 617, Li Yuan occupied Chang ' an and acted as regent over a puppet child emperor of the Sui, relegating Emperor Yang to the position of Taishang Huang, or retired emperor / father of the present emperor.

Portrait painting of Emperor Yang of Sui, commissioned in 643 by Emperor Taizong of Tang | Taizong, painted by Yan Liben ( 600 – 673 )

Emperor Wen abolished the anti-Han policies of Zhou and reclaimed his Han surname of Yang.

Emperor Yang of Sui gained the throne after his father's death, possibly by murder.

The Sui Dynasty's second emperor, Emperor Yang conscripted many soldiers for the campaign.

Emperor Yang was assassinated in 618.

* Empress Yang Yan, first wife of Emperor Wu ( b. 238 )

" Some distorted accounts claim that in the age of Emperor Yingzong, Song Dynasty ( 960-1279 ) of China, a poem named Ode to the ice cheese ( 詠冰酪 ) was written by the poet Yang Wanli.

Emperor Yang of Sui, son of Emperor Wen of Sui, who completed the project, painting by Tang artist Yan Liben ( 600 – 673 )

Between 604 to 609, Emperor Yang Guang ( or Sui Yangdi ) of the Sui dynasty ordered a number of canals be dug in a ‘ Y ’ shape, from Hangzhou in the south to termini in ( modern ) Beijing and in the capital region along the Yellow River valley.

It was the 7th Cavalry whose troopers were charged with guarding the Imperial Palace of the Emperor.

This circular edifice, constructed by Agrippa in B.C. 27, was rebuilt in its present shape by the Emperor Hadrian.

The great column from which the square takes its name was erected by the Emperor Marcus Aurelius.

Among the many severe measures taken by the First Emperor, Shih Huang-ti, in his efforts to insure the continuation of this hard-won national unity, was the burning of the books in 213 B.C., with the expressed intention of removing possible sources for divergent thinking ; ;

It was pleasant last night, therefore, to hear him do something else: a concerto he has recently recorded, `` The Emperor ''.

In three arduous campaigns, the first two of which were conducted by the emperor himself while the third was directed by Manuel Comnenos ( great-uncle of Emperor Manuel Comnenos ), the Turks were defeated in detail in 1070 and driven across the Euphrates.

Emperor Romanos IV was himself taken prisoner and conducted into the presence of Alp Arslan, who treated him with generosity, and, terms of peace having been agreed to, dismissed him, loaded with presents and respectfully attended by a military guard.

Antoninus Pius (; born 19 September 86AD – died 7 March 161AD ), also known as Antoninus, was Roman Emperor from 138AD to 161AD.

He was next appointed by the Emperor Hadrian as one of the four proconsuls to administer Italia, then greatly increased his reputation by his conduct as proconsul of Asia, probably during 134 – 135.

One of his first acts as Emperor was to persuade the Senate to grant divine honours to Hadrian, which they had at first refused ; his efforts to persuade the Senate to grant these honours is the most likely reason given for his title of Pius ( dutiful in affection ; compare pietas ).

Augustus (, September 23, 63 BC – August 19, 14 AD ) was the founder of the Roman Empire and its first Emperor, ruling from 27 BC until his death in 14 AD.

He was succeeded as Emperor by his adopted son ( also stepson and former son-in-law ) Tiberius.

Perisapora was captured and destroyed by Emperor Julian in 363, but speedily rebuilt.

He was a very popular political figure, and since he was the Governor in the effective capital in the Roman West, he was a recognizable figure in the court of the Emperor Valentinian I. Ambrose never married.

He went, his eloquence in defense of the Church reportedly overawed the ministers of Emperor Valentinian, so he was permitted to retire without making the surrender of the churches.

The imperial court was displeased with the religious principles of Ambrose, however his aid was soon solicited by the Emperor.

By 100 Trajan was back in Rome as Emperor instead of merely being a Consul.

Their most famous battle against Rome took place in Argentoratum ( Strasbourg ), in 357, where they were defeated by Julian, later Emperor of Rome, and their king Chnodomarius was taken prisoner to Rome.

Charles, anxious to secure such a famous fighter, gladly assented to Albert's demands and gave the imperial sanction to his possession of the lands taken from the bishops of Würzburg and Bamberg ; and his conspicuous bravery was of great value to the Emperor on the retreat from Metz in January 1553.

The dispute was referred to Emperor Charles V and other princes, but as no settlement was reached Albert continued his efforts to obtain help in view of a renewal of the war.

The city remained a Free Imperial City, subject to the Emperor only, but was politically far too weak to influence the policies of any of its neighbours.