At that time the south of France was the stronghold of the Cathar or Albigensian heresy, named after the Duke of Albi, a Cathar sympathiser and opponent to the subsequent Albigensian Crusade ( 1209 – 1229 ).

* 1229 – The Sixth Crusade: Frederick II, Holy Roman Emperor signs a ten-year truce with al-Kamil, regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements nor support from the papacy.

Conversion to Islam and the Albigensian Crusade ( 1209 – 1229 ) greatly reduced the remaining number of Gnostics throughout the Middle Ages, though a few Mandaean communities still exist.

* 1227 – 1229: Yahya el-Moutassim ( 1 prétendant à la succession, fils de Muhammad an-Nâsir et soutenu par les cheikhs de Marrakech )

* 1229 – The Aragonese army under the command of James I of Aragon disembarks at Santa Ponça, Majorca, with the purpose of conquering the island.

* 1229 – Ögedei Khan is proclaimed Khagan of the Mongol Empire in Kodoe Aral, Khentii: Mongolia.

* March 6 – The University of Paris strike of 1229 begins on Shrove Tuesday and lasts 2 years.

* February 2 – Erik Eriksson, king of Sweden 1222 – 1229 and since 1234 ( b. 1216 )

* Antei ( 1227 – 1229 )

* Kangi ( 1229 – 1232 )

# Marguerite de Lusignan ( c. 1229 – 1288 ).

Under the leadership of Ögedei Khan ( r. 1229 – 1241 ), both the Jin Dynasty and Western Xia Dynasty were conquered by Mongol forces.

In the ensuing confusion and unrest, King James I of Aragon launched an invasion which landed on Santa Ponsa, Majorca, on September 8 – 9, 1229 with 15, 000 men and 1, 500 horses, entering the city of Medina Mayurqa on December 31, 1229, and annexing the island to his Crown of Aragon after a campaign which climaxed on October 30, 1230.

# Alfonso ( 1229 – 1260 ), married Constance of Montcada, Countess of Bigorre

During 1229 – 30, the regent led a military expedition in order to recover and secure the possession of Lubusz Land, and in 1233 – 34 Henry actively supported his father's affairs in Prussia and Greater Poland.

# Margaret ( 1192 – 1231 ), married January 1206 Gerhard III, Count of Guelders ( d. October 22, 1229 )

He is believed to have obtained firsthand knowledge of Arabic falconry during wars in the region ( between June 1228 – June 1229 ).

* Richard Muton ( 1229 – 30 ), Dublin's first Mayor

John, though fifty or fifty-five years of age, was still vigorous enough to avenge himself on Frederick, by commanding the papal troops which attacked southern Italy during the emperor's absence on the Sixth Crusade ( 1228 – 1229 ).

* Louis II, Duke of Bavaria ( 1229 – 1294 )

Dōgen was succeeded around 1236 by his disciple Koun Ejō ( 1198 – 1280 ), who originally was a member of the Daruma school of Nōnin, but joined Dogen in 1229.

In 1229, Prince Danylo of Halych expelled Andrew's youngest son from his principality, while Frederick II, Duke of Austria started to attack the western borders of the kingdom in 1230.

Bethlehem — along with Jerusalem, Nazareth, and Sidon — was briefly ceded to the Crusader Kingdom of Jerusalem by a treaty between Holy Roman Emperor Frederick II and Ayyubid Sultan al-Kamil in 1229, in return for a ten-year truce between the Ayyubids and the Crusaders.

Frederick was forced to return home in 1229, leaving the Holy Land " not in triumph, but showered with offal " by the citizens of Acre.

Theobald concluded a treaty with Isma ' il, in return for territorial concessions that restored Jerusalem to Christian control, as well as much of the rest of the former kingdom, even more territory than Frederick had recovered in 1229.

Frederick II managed to negotiate safe passage for pilgrims from Acre in 1229, and in 1251, Louis IX, the king of France, attended mass in the grotto, accompanied by his wife.

In 1229 one of the Ibelin regents was forced out of power by Frederick II, Holy Roman Emperor, who brought the struggle between the Guelphs and Ghibellines to the island.

Frederick entered Jerusalem on 17 March 1229, and attended a crown-wearing ceremony the following day.

It took a defeat in battle later in 1229 for the Pope to lift the excommunication, but by now Frederick had demonstrated that a crusade could be successful even without military superiority or papal support.

Esslingen received city rights in 1229 under Emperor Frederick II.

* The Cremona elephant was presented to Frederick II, Holy Roman Emperor by Al-Kamil in 1229.

He continued negotiations with Frederick in Acre in 1228 leading to the establishment of a limited truce, signed in February 1229.

In 1229 one of the Ibelin regents was forced out of power by Frederick II, Holy Roman Emperor, who brought the struggle between the Guelphs and Ghibellines to the island.

In 1219 the walls of the city were razed by Mu ' azzim Sultan of Damascus ; in 1229, by treaty with Egypt, Jerusalem came into the hands of Frederick II of Germany.

It seems likely that in 1228 – 1229 he was involved in the Sixth Crusade of the Hohenstaufen emperor Frederick II ; the poems Von Âkers (" from Acre ", see the W. Grimm edition ), which form part of his major work Bescheidenheit, are also from this period.

In 1229, by treaty with Egypt's ruler al-Kamil, Jerusalem came into the hands of Frederick II of Germany.

The Fourth Crusade was also sealed between Holy Roman Emperor Frederick II and the Sultan of Babylon in 1229 with a gift of a White Cockatoo.

An example was first the alliance then desertion of the troops of Frederick II Hohenstaufen, during the Sixth Crusade of 1228 / 1229.

* Antichrist ( 1970 ) -- Frederick II, Holy Roman Emperor of the Hohenstaufen leads a successful crusade of liberation to Jerusalem in 1229.

In 1229 Jerusalem was briefly recovered by treaty by Frederick II, Holy Roman Emperor, but the remnant of the kingdom never again controlled territory to the east of the Jordan.

In February 1229 al-Kamil negotiated a ten-year peace with Frederick II and returned Jerusalem and other holy sites to the Crusader kingdom.

In the ten years ' truce of 1229 concluded between Frederick II of Sicily and the sultan Al-Kamil, the Franciscans were permitted to enter Jerusalem, but they were also the first victims of the violent invasion of the Khwarezmians in 1244.

Indeed, despite their destruction, Toron, Safed and Banyas were recovered through treaty in 1229, just two years after al-Mu ' azzam's death on November 11, 1227, by Frederick II from Sultan al-Kamil.