Turan-Shah annexed Yemen to the Ayyubid Empire of Saladin in 1173.

* Najm ad-Din Ayyub ( died 1173 ), Kurdish soldier, father of Saladin

In 1173, the northern wall of the mosque was damaged again by fire and was rebuilt by the Ayyubid sultan, Saladin ( r. 1174 – 1193 ), along with the Minaret of the Bride, which had been destroyed in the 1069 fire.

When Henry's sons rebelled against him in 1173 Rhys sent his son Hywel Sais to Normandy to aid the king, then in 1174 personally led an army to Tutbury in Staffordshire to assist at the siege of the stronghold of the rebel Earl William de Ferrers.

From this place he sent many letters and responsa ; and in 1173 he forwarded a request to the North-African communities for help to secure the release of a number of captives.

* 1173 – Construction of the campanile of the cathedral of Pisa ( now known as the Leaning Tower of Pisa ) begins ; it will take two centuries to complete.

In 1173 Pope Alexander III, after reprimanding certain bishops for having permitted veneration of a man who was far from being a saint, decreed: " You shall not therefore presume to honour him in the future ; for, even if miracles were worked through him, it is not lawful for you to venerate him as a saint without the authority of the Catholic Church.

She was imprisoned between 1173 and 1189 for supporting her son Henry's revolt against her husband.

Of all her influence on culture, Eleanor's time in Poitiers ( 1168 – 1173 ) was perhaps the most critical and yet very little is known about it.

In March 1173, aggrieved at his lack of power and egged on by his father's enemies, the younger Henry launched the Revolt of 1173 – 1174.

He had met her in 1166 and began the liaison in 1173, supposedly contemplating divorce from Eleanor.

She had several rather fanatic followers, including Guibert of Gembloux, who wrote frequently to Hildegard and eventually became her secretary after Volmar died in 1173.

The Gautama Buddha | Sakyamuni Buddha, by Zhang Shengwen, 1173 – 1176 AD, Song Dynasty period.

* 1174 – William I of Scotland, a key rebel in the Revolt of 1173 – 1174, is captured at Alnwick by forces loyal to Henry II of England.

Following the failed rebellion of his elder brothers between 1173 and 1174, however, John became Henry's favourite child.

In 1173 John's elder brothers, backed by Eleanor, rose in revolt against Henry in the short-lived rebellion of 1173 to 1174.

Henry II succeeded to the throne at the end of the Anarchy but during the revolt of 1173 – 74 he faced a significant uprising led by his son, Henry, backed by the French crown.

* temperature is about 1173 K ( approx.

The alliance was initially successful, and by July 1173 they were besieging Aumale, Neuf-Marché, and Verneuil and Hugh de Kevelioc had captured Dol in Brittany.

Richard of Saint Victor, C. R. S. A., ( died 1173 ) is known today as one of the most influential religious thinkers of his time.

He was a prominent mystical theologian, and was prior of the famous Augustinian Abbey of Saint Victor in Paris from 1162 until his death in 1173.

Richard ’ s chief biographer, Jean de Toulouse, writes that when Richard died in 1173 he was still young and so it therefore must be assumed that he entered the Order well into its second period of development, near the end of Hugh ’ s life.

In 1162 Richard became prior of the abbey and remained in this position until his death in 1173.

Richard died on March 10, 1173.

Afterward, in the spring of 1170, Nur ad-Din sent Saladin's father to Egypt in compliance with Saladin's request, as well as encouragement from the Baghdad-based Abbasid caliph, al-Mustanjid, who aimed to pressure Saladin in deposing his rival caliph, al-Adid.

In 1174, Saladin sent Turan-Shah to conquer Yemen to allocate it and its port Aden to the territories of the Ayyubid Dynasty.

Saladin later moved toward Homs instead, but retreated after being told a relief force was being sent to the city by Saif al-Din.

With this victory, Saladin decided to call in more troops from Egypt ; he requested 1, 500 horsemen to be sent by al-Adil.

In the spring of 1180, while Saladin was in the area of Safad, anxious to commence a vigorous campaign against the Kingdom of Jerusalem, King Baldwin sent messengers to him with proposals of peace.

It was finally agreed that Arslan's daughter would be sent away for a year and if Nur al-Din failed to comply, Saladin would move to abandon his support for him.

Saladin and his army met the coalition at Harran in February 1183, but on hearing of his approach, the latter sent messengers to Saladin asking for peace.

Saladin sent out 500 skirmishers to harass their forces and he himself marched to Ain Jalut.

At Arsuf, when Richard lost his horse, Saladin sent him two replacements.

After the treaty, Saladin and Richard sent each other many gifts as tokens of respect, but never met face to face.

He was beheaded by Shirkuh, the uncle of Saladin, and his head was placed in a silver box and sent to the Caliph of Baghdad as a gift.

Saladin sent troops to protect a later caravan ( in March 1187 ) in which his sister was returning from a pilgrimage to Mecca.

Saladin sent the two wings of his army around the Frankish force and seized the spring at Turan, thus blocking the Frankish line of retreat.

However, he was sent primarily to ensure that Abbasid suzerainty was proclaimed in Egypt which Saladin was reluctant to undertake since he was the vizier of the Fatimids.

According to the Old French Continuation of William of Tyre ( also known as the Chronicle of Ernoul ), Humphrey's mother Stephanie sent a message to Saladin telling him of the recent wedding and reminding him of their shared history:

) Another theory is that the term is a corruption of the name of Saladin ( Salah ad-Din ), the Ayyubid Sultan, who in 1171 sent forty pieces of the ceramic to Nur ad-Din Zengi, Sultan of Syria.

He was beheaded by Shirkuh, the uncle of Saladin, and his head was placed in a silver box and sent to the Caliph of Baghdad as a gift.

Learning of Saladin's plans, Baldwin IV left Jerusalem with, according to William of Tyre, only 375 knights to attempt a defense at Ascalon, but Baldwin was stalled there by a detachment of troops sent by Saladin, who, again according to William of Tyre, had men.

In the crisis of 1187, Gerard used the money sent by Henry II of England and deposited with the Templars in Jerusalem to hire additional troops for the arrière ban to defend the Kingdom of Jerusalem from Saladin.

According to the chronicle of Ernoul, Stephanie sent messengers to Saladin, reminding him of the friendship they shared when he had been a prisoner in Kerak many years before ; this is likely a fiction or some mis-remembered event, as Saladin is not otherwise known to have ever been held hostage at Kerak.

Saladin agreed to return Humphrey to Stephanie in exchange for Kerak and Montreal ; the castles refused to surrender, however, and Stephanie dutifully sent her son back to captivity under Saladin.